65209347

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2143}}^1$

素因数の和:2189

約数の個数: 48

約数和(自身を含む): 117319680

約数和(自身を除く): 52110333

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 441, 483, 621, 1127, 1323, 1449, 2143, 3381, 4347, 6429, 10143, 15001, 19287, 30429, 45003, 49289, 57861, 105007, 135009, 147867, 315021, 345023, 405027, 443601, 945063, 1035069, 1330803, 2415161, 2835189, 3105207, 7245483, 9315621, 21736449, 65209347]

約数ペア:

[(1, 65209347), (3, 21736449), (7, 9315621), (9, 7245483), (21, 3105207), (23, 2835189), (27, 2415161), (49, 1330803), (63, 1035069), (69, 945063), (147, 443601), (161, 405027), (189, 345023), (207, 315021), (441, 147867), (483, 135009), (621, 105007), (1127, 57861), (1323, 49289), (1449, 45003), (2143, 30429), (3381, 19287), (4347, 15001), (6429, 10143)]