66145815

素因数分解:

$3^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 124692480

約数和(自身を除く): 58546665

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 263, 345, 405, 621, 729, 789, 1035, 1215, 1315, 1863, 2187, 2367, 3105, 3645, 3945, 5589, 6049, 7101, 9315, 10935, 11835, 16767, 18147, 21303, 27945, 30245, 35505, 50301, 54441, 63909, 83835, 90735, 106515, 163323, 191727, 251505, 272205, 319545, 489969, 575181, 816615, 958635, 1469907, 2449845, 2875905, 4409721, 7349535, 13229163, 22048605, 66145815]

約数ペア:

[(1, 66145815), (3, 22048605), (5, 13229163), (9, 7349535), (15, 4409721), (23, 2875905), (27, 2449845), (45, 1469907), (69, 958635), (81, 816615), (115, 575181), (135, 489969), (207, 319545), (243, 272205), (263, 251505), (345, 191727), (405, 163323), (621, 106515), (729, 90735), (789, 83835), (1035, 63909), (1215, 54441), (1315, 50301), (1863, 35505), (2187, 30245), (2367, 27945), (3105, 21303), (3645, 18147), (3945, 16767), (5589, 11835), (6049, 10935), (7101, 9315)]