1999859265

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1\times {\mathrm{2333}}^1$

素因数の和:2830

約数の個数: 48

約数和(自身を含む): 3556567872

約数和(自身を除く): 1556708607

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 443, 645, 1329, 1935, 2215, 2333, 3987, 6645, 6999, 11665, 19049, 19935, 20997, 34995, 57147, 95245, 100319, 104985, 171441, 285735, 300957, 501595, 857205, 902871, 1033519, 1504785, 3100557, 4514355, 5167595, 9301671, 15502785, 44441317, 46508355, 133323951, 222206585, 399971853, 666619755, 1999859265]

約数ペア:

[(1, 1999859265), (3, 666619755), (5, 399971853), (9, 222206585), (15, 133323951), (43, 46508355), (45, 44441317), (129, 15502785), (215, 9301671), (387, 5167595), (443, 4514355), (645, 3100557), (1329, 1504785), (1935, 1033519), (2215, 902871), (2333, 857205), (3987, 501595), (6645, 300957), (6999, 285735), (11665, 171441), (19049, 104985), (19935, 100319), (20997, 95245), (34995, 57147)]