40709961

素因数分解:

$3^2\times {\mathrm{137}}^2\times {\mathrm{241}}^1$

素因数の和:521

約数の個数: 18

約数和(自身を含む): 59481422

約数和(自身を除く): 18771461

約数列:

[1, 3, 9, 137, 241, 411, 723, 1233, 2169, 18769, 33017, 56307, 99051, 168921, 297153, 4523329, 13569987, 40709961]

約数ペア:

[(1, 40709961), (3, 13569987), (9, 4523329), (137, 297153), (241, 168921), (411, 99051), (723, 56307), (1233, 33017), (2169, 18769)]