Le 19-août-06, à 21:13, <[EMAIL PROTECTED]> (John M.) a écrit :

> BTW I have a problem with the "perfect" 6:
> ITS DIVISORS are 1,2,3,6, the sum of which is 12, not 6 and it looks 
> that
> there is NO other perfect number in this sense either.

I have define a number to be perfect when it is equal to the sum of its 
proper divisor. Six is not a proper divisor of six.

Bruno

http://iridia.ulb.ac.be/~marchal/


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