157220685

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2621}}^1$

素因数の和:2706

約数の個数: 48

約数和(自身を含む): 287958528

約数和(自身を除く): 130737843

約数列:

[1, 3, 5, 9, 15, 31, 43, 45, 93, 129, 155, 215, 279, 387, 465, 645, 1333, 1395, 1935, 2621, 3999, 6665, 7863, 11997, 13105, 19995, 23589, 39315, 59985, 81251, 112703, 117945, 243753, 338109, 406255, 563515, 731259, 1014327, 1218765, 1690545, 3493793, 3656295, 5071635, 10481379, 17468965, 31444137, 52406895, 157220685]

約数ペア:

[(1, 157220685), (3, 52406895), (5, 31444137), (9, 17468965), (15, 10481379), (31, 5071635), (43, 3656295), (45, 3493793), (93, 1690545), (129, 1218765), (155, 1014327), (215, 731259), (279, 563515), (387, 406255), (465, 338109), (645, 243753), (1333, 117945), (1395, 112703), (1935, 81251), (2621, 59985), (3999, 39315), (6665, 23589), (7863, 19995), (11997, 13105)]