878238417

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{617}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 1427075712

約数和(自身を除く): 548837295

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 421, 483, 617, 1127, 1263, 1851, 2947, 3381, 4319, 8841, 9683, 12957, 14191, 20629, 29049, 30233, 42573, 61887, 67781, 90699, 99337, 203343, 259757, 298011, 474467, 695359, 779271, 1423401, 1818299, 2086077, 5454897, 5974411, 12728093, 17923233, 38184279, 41820877, 125462631, 292746139, 878238417]

約数ペア:

[(1, 878238417), (3, 292746139), (7, 125462631), (21, 41820877), (23, 38184279), (49, 17923233), (69, 12728093), (147, 5974411), (161, 5454897), (421, 2086077), (483, 1818299), (617, 1423401), (1127, 779271), (1263, 695359), (1851, 474467), (2947, 298011), (3381, 259757), (4319, 203343), (8841, 99337), (9683, 90699), (12957, 67781), (14191, 61887), (20629, 42573), (29049, 30233)]