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Little power sum (Posted on 2024-11-15)

Find the sum of all positive integers of the form 2^r*3^s, where r and s are nonnegative integers that do not exceed 4.

No Solution Yet Submitted by Danish Ahmed Khan

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re(2): answer

| Comment 3 of 4 |

(In reply to re: answer by broll)

Aha! That explains it.

I was not aware that oeis used "sigma" to represent the "DivisorSigma " function.

Moreover, I was not aware of the DivisorSigma function, the sum of all the divisors of a number.

Posted by Larry on 2024-11-15 10:04:12

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