3900405

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3881}}^1$

素因数の和:3956

約数の個数: 16

約数和(自身を含む): 6335424

約数和(自身を除く): 2435019

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 3881, 11643, 19405, 58215, 260027, 780081, 1300135, 3900405]

約数ペア:

[(1, 3900405), (3, 1300135), (5, 780081), (15, 260027), (67, 58215), (201, 19405), (335, 11643), (1005, 3881)]