211671987

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1\times {\mathrm{2137}}^1$

素因数の和:2518

約数の個数: 16

約数和(自身を含む): 285602592

約数和(自身を除く): 73930605

約数列:

[1, 3, 137, 241, 411, 723, 2137, 6411, 33017, 99051, 292769, 515017, 878307, 1545051, 70557329, 211671987]

約数ペア:

[(1, 211671987), (3, 70557329), (137, 1545051), (241, 878307), (411, 515017), (723, 292769), (2137, 99051), (6411, 33017)]