12180405

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11437}}^1$

素因数の和:11516

約数の個数: 16

約数和(自身を含む): 19764864

約数和(自身を除く): 7584459

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 11437, 34311, 57185, 171555, 812027, 2436081, 4060135, 12180405]

約数ペア:

[(1, 12180405), (3, 4060135), (5, 2436081), (15, 812027), (71, 171555), (213, 57185), (355, 34311), (1065, 11437)]