220880817

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{3271}}^1$

素因数の和:3382

約数の個数: 32

約数和(自身を含む): 340811520

約数和(自身を除く): 119930703

約数列:

[1, 3, 9, 27, 41, 61, 123, 183, 369, 549, 1107, 1647, 2501, 3271, 7503, 9813, 22509, 29439, 67527, 88317, 134111, 199531, 402333, 598593, 1206999, 1795779, 3620997, 5387337, 8180771, 24542313, 73626939, 220880817]

約数ペア:

[(1, 220880817), (3, 73626939), (9, 24542313), (27, 8180771), (41, 5387337), (61, 3620997), (123, 1795779), (183, 1206999), (369, 598593), (549, 402333), (1107, 199531), (1647, 134111), (2501, 88317), (3271, 67527), (7503, 29439), (9813, 22509)]