55989999

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 92252160

約数和(自身を除く): 36262161

約数列:

[1, 3, 9, 13, 31, 39, 43, 93, 117, 129, 279, 359, 387, 403, 559, 1077, 1209, 1333, 1677, 3231, 3627, 3999, 4667, 5031, 11129, 11997, 14001, 15437, 17329, 33387, 42003, 46311, 51987, 100161, 138933, 144677, 155961, 200681, 434031, 478547, 602043, 1302093, 1435641, 1806129, 4306923, 6221111, 18663333, 55989999]

約数ペア:

[(1, 55989999), (3, 18663333), (9, 6221111), (13, 4306923), (31, 1806129), (39, 1435641), (43, 1302093), (93, 602043), (117, 478547), (129, 434031), (279, 200681), (359, 155961), (387, 144677), (403, 138933), (559, 100161), (1077, 51987), (1209, 46311), (1333, 42003), (1677, 33387), (3231, 17329), (3627, 15437), (3999, 14001), (4667, 11997), (5031, 11129)]