205440405

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{99971}}^1$

素因数の和:100116

約数の個数: 16

約数和(自身を含む): 331107264

約数和(自身を除く): 125666859

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 99971, 299913, 499855, 1499565, 13696027, 41088081, 68480135, 205440405]

約数ペア:

[(1, 205440405), (3, 68480135), (5, 41088081), (15, 13696027), (137, 1499565), (411, 499855), (685, 299913), (2055, 99971)]