64871685

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5167}}^1$

素因数の和:5215

約数の個数: 40

約数和(自身を含む): 120062976

約数和(自身を除く): 55191291

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 2511, 4185, 5167, 12555, 15501, 25835, 46503, 77505, 139509, 160177, 232515, 418527, 480531, 697545, 800885, 1441593, 2092635, 2402655, 4324779, 7207965, 12974337, 21623895, 64871685]

約数ペア:

[(1, 64871685), (3, 21623895), (5, 12974337), (9, 7207965), (15, 4324779), (27, 2402655), (31, 2092635), (45, 1441593), (81, 800885), (93, 697545), (135, 480531), (155, 418527), (279, 232515), (405, 160177), (465, 139509), (837, 77505), (1395, 46503), (2511, 25835), (4185, 15501), (5167, 12555)]