18158391

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{4909}}^1$

素因数の和:5055

約数の個数: 16

約数和(自身を含む): 27103200

約数和(自身を除く): 8944809

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 4909, 14727, 44181, 132543, 672533, 2017599, 6052797, 18158391]

約数ペア:

[(1, 18158391), (3, 6052797), (9, 2017599), (27, 672533), (137, 132543), (411, 44181), (1233, 14727), (3699, 4909)]