2511621

素因数分解:

$3^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:250

約数の個数: 32

約数和(自身を含む): 4327680

約数和(自身を除く): 1816059

約数列:

[1, 3, 7, 9, 21, 27, 63, 97, 137, 189, 291, 411, 679, 873, 959, 1233, 2037, 2619, 2877, 3699, 6111, 8631, 13289, 18333, 25893, 39867, 93023, 119601, 279069, 358803, 837207, 2511621]

約数ペア:

[(1, 2511621), (3, 837207), (7, 358803), (9, 279069), (21, 119601), (27, 93023), (63, 39867), (97, 25893), (137, 18333), (189, 13289), (291, 8631), (411, 6111), (679, 3699), (873, 2877), (959, 2619), (1233, 2037)]