247997631

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{52957}}^1$

素因数の和:53190

約数の個数: 16

約数和(自身を含む): 379602944

約数和(自身を除く): 131605313

約数列:

[1, 3, 7, 21, 223, 669, 1561, 4683, 52957, 158871, 370699, 1112097, 11809411, 35428233, 82665877, 247997631]

約数ペア:

[(1, 247997631), (3, 82665877), (7, 35428233), (21, 11809411), (223, 1112097), (669, 370699), (1561, 158871), (4683, 52957)]