31398615

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6521}}^1$

素因数の和:6639

約数の個数: 24

約数和(自身を含む): 54941328

約数和(自身を除く): 23542713

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 4815, 6521, 19563, 32605, 58689, 97815, 293445, 697747, 2093241, 3488735, 6279723, 10466205, 31398615]

約数ペア:

[(1, 31398615), (3, 10466205), (5, 6279723), (9, 3488735), (15, 2093241), (45, 697747), (107, 293445), (321, 97815), (535, 58689), (963, 32605), (1605, 19563), (4815, 6521)]