DivisorSigma
DivisorSigma[k,n]
gives the divisor function .
Details and Options

- Integer mathematical function, suitable for both symbolic and numerical manipulation.
is the sum of the k
powers of the divisors of n.
- DivisorSigma[k,n,GaussianIntegers->True] includes divisors that are Gaussian integers.
- DivisorSigma automatically threads over lists.
Examples
open allclose allBasic Examples (2)
Scope (2)
Generalizations & Extensions (2)
Options (1)
Applications (4)
Properties & Relations (4)
Possible Issues (1)
Neat Examples (2)
See Also
DivisorSum EulerPhi Divisors Divisible PerfectNumber PerfectNumberQ
Tutorials
Related Guides
Related Links
Introduced in 1988
(1.0)