151120557

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 271454976

約数和(自身を除く): 120334419

約数列:

[1, 3, 7, 9, 21, 23, 47, 49, 63, 69, 141, 147, 161, 207, 317, 329, 423, 441, 483, 951, 987, 1081, 1127, 1449, 2219, 2303, 2853, 2961, 3243, 3381, 6657, 6909, 7291, 7567, 9729, 10143, 14899, 15533, 19971, 20727, 21873, 22701, 44697, 46599, 51037, 52969, 65619, 68103, 104293, 134091, 139797, 153111, 158907, 312879, 342677, 357259, 459333, 476721, 730051, 938637, 1028031, 1071777, 2190153, 2398739, 3084093, 3215331, 6570459, 7196217, 16791173, 21588651, 50373519, 151120557]

約数ペア:

[(1, 151120557), (3, 50373519), (7, 21588651), (9, 16791173), (21, 7196217), (23, 6570459), (47, 3215331), (49, 3084093), (63, 2398739), (69, 2190153), (141, 1071777), (147, 1028031), (161, 938637), (207, 730051), (317, 476721), (329, 459333), (423, 357259), (441, 342677), (483, 312879), (951, 158907), (987, 153111), (1081, 139797), (1127, 134091), (1449, 104293), (2219, 68103), (2303, 65619), (2853, 52969), (2961, 51037), (3243, 46599), (3381, 44697), (6657, 22701), (6909, 21873), (7291, 20727), (7567, 19971), (9729, 15533), (10143, 14899)]