MathGroup Archive: September 2001 [00190]

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Re: Sum of Prime factors

To: mathgroup at smc.vnet.net
Subject: [mg30825] Re: Sum of Prime factors
From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
Date: Thu, 20 Sep 2001 03:51:17 -0400 (EDT)
Organization: Universitaet Leipzig
References: <9o98p1$cqi$1@smc.vnet.net>
Sender: owner-wri-mathgroup at wolfram.com

Hi,

?FactorInteger

"FactorInteger[n] gives a list of the prime factors of the integer n, \
together with their exponents"

Regards
  Jens


Shyam Sunder Gupta wrote:
> 
> Can any body help in providing a simple mathematica code for finding sum
> of digits of prime factors(including repetitions) of a number. For
> example 198 =2*3*3*11 , so sum of digits of prime factors=
> 2+3+3+1+1=10.
> 
> Shyam Sunder Gupta
> email: guptass at rediffmail.com

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