56166615

素因数分解:

$3^4\times 5^1\times {\mathrm{138683}}^1$

素因数の和:138700

約数の個数: 20

約数和(自身を含む): 100684584

約数和(自身を除く): 44517969

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 138683, 416049, 693415, 1248147, 2080245, 3744441, 6240735, 11233323, 18722205, 56166615]

約数ペア:

[(1, 56166615), (3, 18722205), (5, 11233323), (9, 6240735), (15, 3744441), (27, 2080245), (45, 1248147), (81, 693415), (135, 416049), (405, 138683)]