320210577

素因数分解:

$3^5\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 521748864

約数和(自身を除く): 201538287

約数列:

[1, 3, 9, 23, 27, 47, 53, 69, 81, 141, 159, 207, 243, 423, 477, 529, 621, 1081, 1219, 1269, 1431, 1587, 1863, 2491, 3243, 3657, 3807, 4293, 4761, 5589, 7473, 9729, 10971, 11421, 12879, 14283, 22419, 24863, 28037, 29187, 32913, 42849, 57293, 67257, 74589, 84111, 87561, 98739, 128547, 171879, 201771, 223767, 252333, 262683, 296217, 515637, 605313, 671301, 756999, 1317739, 1546911, 2013903, 2270997, 3953217, 4640733, 6041709, 6812991, 11859651, 13922199, 35578953, 106736859, 320210577]

約数ペア:

[(1, 320210577), (3, 106736859), (9, 35578953), (23, 13922199), (27, 11859651), (47, 6812991), (53, 6041709), (69, 4640733), (81, 3953217), (141, 2270997), (159, 2013903), (207, 1546911), (243, 1317739), (423, 756999), (477, 671301), (529, 605313), (621, 515637), (1081, 296217), (1219, 262683), (1269, 252333), (1431, 223767), (1587, 201771), (1863, 171879), (2491, 128547), (3243, 98739), (3657, 87561), (3807, 84111), (4293, 74589), (4761, 67257), (5589, 57293), (7473, 42849), (9729, 32913), (10971, 29187), (11421, 28037), (12879, 24863), (14283, 22419)]