12215879

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^3\times {\mathrm{137}}^1$

素因数の和:207

約数の個数: 16

約数和(自身を含む): 13987680

約数和(自身を除く): 1771801

約数列:

[1, 13, 19, 137, 247, 361, 1781, 2603, 4693, 6859, 33839, 49457, 89167, 642941, 939683, 12215879]

約数ペア:

[(1, 12215879), (13, 939683), (19, 642941), (137, 89167), (247, 49457), (361, 33839), (1781, 6859), (2603, 4693)]