Mathlean · Online math workspace
Divisor sum calculator
Sum powers of the positive divisors of an integer.
How to use this calculator
Edit DivisorSigma(power,number). DivisorSigma(1,12) is 28; power zero counts divisors.
Tap the math below to edit it and see the result. Once a result is ready, press Tab on a hardware keyboard to accept it. Outside a matrix, Return completes the line; the phone math keyboard has the same Return action.
Try it here
Interactive tools require JavaScript. You can read the guide and example without it.
What to know
The power comes first. Zero has no finite positive-divisor sum.
Mathlean combines visual mathematical input with computation and canvas tools. Results depend on the expression and available engine support; check important answers independently.