90780651

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 150535840

約数和(自身を除く): 59755189

約数列:

[1, 3, 9, 13, 19, 39, 57, 97, 117, 171, 247, 291, 421, 741, 873, 1261, 1263, 1843, 2223, 3783, 3789, 5473, 5529, 7999, 11349, 16419, 16587, 23959, 23997, 40837, 49257, 71877, 71991, 103987, 122511, 215631, 311961, 367533, 530881, 775903, 935883, 1592643, 2327709, 4777929, 6983127, 10086739, 30260217, 90780651]

約数ペア:

[(1, 90780651), (3, 30260217), (9, 10086739), (13, 6983127), (19, 4777929), (39, 2327709), (57, 1592643), (97, 935883), (117, 775903), (171, 530881), (247, 367533), (291, 311961), (421, 215631), (741, 122511), (873, 103987), (1261, 71991), (1263, 71877), (1843, 49257), (2223, 40837), (3783, 23997), (3789, 23959), (5473, 16587), (5529, 16419), (7999, 11349)]