12617721

素因数分解:

$3^3\times {\mathrm{557}}^1\times {\mathrm{839}}^1$

素因数の和:1405

約数の個数: 16

約数和(自身を含む): 18748800

約数和(自身を除く): 6131079

約数列:

[1, 3, 9, 27, 557, 839, 1671, 2517, 5013, 7551, 15039, 22653, 467323, 1401969, 4205907, 12617721]

約数ペア:

[(1, 12617721), (3, 4205907), (9, 1401969), (27, 467323), (557, 22653), (839, 15039), (1671, 7551), (2517, 5013)]