2721621

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:189

約数の個数: 32

約数和(自身を含む): 4435200

約数和(自身を除く): 1713579

約数列:

[1, 3, 7, 21, 29, 41, 87, 109, 123, 203, 287, 327, 609, 763, 861, 1189, 2289, 3161, 3567, 4469, 8323, 9483, 13407, 22127, 24969, 31283, 66381, 93849, 129601, 388803, 907207, 2721621]

約数ペア:

[(1, 2721621), (3, 907207), (7, 388803), (21, 129601), (29, 93849), (41, 66381), (87, 31283), (109, 24969), (123, 22127), (203, 13407), (287, 9483), (327, 8323), (609, 4469), (763, 3567), (861, 3161), (1189, 2289)]