DivisorSigma

Usage

• DivisorSigma[k, n] gives the divisor function .

Notes

• Integer mathematical function (see Section A.3.10).

•

is the sum of the

powers of the divisors of

• DivisorSigma[k, n, GaussianIntegers -> True] includes divisors that are Gaussian integers.

• See also: EulerPhi.

• New in Version 1.