7215507

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:420

約数の個数: 32

約数和(自身を含む): 11735360

約数和(自身を除く): 4519853

約数列:

[1, 3, 9, 13, 27, 39, 61, 117, 183, 337, 351, 549, 793, 1011, 1647, 2379, 3033, 4381, 7137, 9099, 13143, 20557, 21411, 39429, 61671, 118287, 185013, 267241, 555039, 801723, 2405169, 7215507]

約数ペア:

[(1, 7215507), (3, 2405169), (9, 801723), (13, 555039), (27, 267241), (39, 185013), (61, 118287), (117, 61671), (183, 39429), (337, 21411), (351, 20557), (549, 13143), (793, 9099), (1011, 7137), (1647, 4381), (2379, 3033)]