181570347

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 306271680

約数和(自身を除く): 124701333

約数列:

[1, 3, 7, 9, 21, 63, 109, 137, 193, 327, 411, 579, 763, 959, 981, 1233, 1351, 1737, 2289, 2877, 4053, 6867, 8631, 12159, 14933, 21037, 26441, 44799, 63111, 79323, 104531, 134397, 147259, 185087, 189333, 237969, 313593, 441777, 555261, 940779, 1325331, 1665783, 2882069, 8646207, 20174483, 25938621, 60523449, 181570347]

約数ペア:

[(1, 181570347), (3, 60523449), (7, 25938621), (9, 20174483), (21, 8646207), (63, 2882069), (109, 1665783), (137, 1325331), (193, 940779), (327, 555261), (411, 441777), (579, 313593), (763, 237969), (959, 189333), (981, 185087), (1233, 147259), (1351, 134397), (1737, 104531), (2289, 79323), (2877, 63111), (4053, 44799), (6867, 26441), (8631, 21037), (12159, 14933)]