28230891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 42504000

約数和(自身を除く): 14273109

約数列:

[1, 3, 13, 29, 39, 87, 109, 229, 327, 377, 687, 1131, 1417, 2977, 3161, 4251, 6641, 8931, 9483, 19923, 24961, 41093, 74883, 86333, 123279, 258999, 324493, 723869, 973479, 2171607, 9410297, 28230891]

約数ペア:

[(1, 28230891), (3, 9410297), (13, 2171607), (29, 973479), (39, 723869), (87, 324493), (109, 258999), (229, 123279), (327, 86333), (377, 74883), (687, 41093), (1131, 24961), (1417, 19923), (2977, 9483), (3161, 8931), (4251, 6641)]