216906303

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{3491}}^1$

素因数の和:3782

約数の個数: 16

約数和(自身を含む): 293328000

約数和(自身を除く): 76421697

約数列:

[1, 3, 139, 149, 417, 447, 3491, 10473, 20711, 62133, 485249, 520159, 1455747, 1560477, 72302101, 216906303]

約数ペア:

[(1, 216906303), (3, 72302101), (139, 1560477), (149, 1455747), (417, 520159), (447, 485249), (3491, 62133), (10473, 20711)]