205457715

素因数分解:

$3^8\times 5^1\times {\mathrm{6263}}^1$

素因数の和:6292

約数の個数: 36

約数和(自身を含む): 369864144

約数和(自身を除く): 164406429

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 2187, 3645, 6263, 6561, 10935, 18789, 31315, 32805, 56367, 93945, 169101, 281835, 507303, 845505, 1521909, 2536515, 4565727, 7609545, 13697181, 22828635, 41091543, 68485905, 205457715]

約数ペア:

[(1, 205457715), (3, 68485905), (5, 41091543), (9, 22828635), (15, 13697181), (27, 7609545), (45, 4565727), (81, 2536515), (135, 1521909), (243, 845505), (405, 507303), (729, 281835), (1215, 169101), (2187, 93945), (3645, 56367), (6263, 32805), (6561, 31315), (10935, 18789)]