157215905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37123}}^1$

素因数の和:37157

約数の個数: 24

約数和(自身を含む): 236999616

約数和(自身を除く): 79783711

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 37123, 185615, 259861, 408353, 1299305, 2041765, 2858471, 4491883, 14292355, 22459415, 31443181, 157215905]

約数ペア:

[(1, 157215905), (5, 31443181), (7, 22459415), (11, 14292355), (35, 4491883), (55, 2858471), (77, 2041765), (121, 1299305), (385, 408353), (605, 259861), (847, 185615), (4235, 37123)]