65520495

素因数分解:

$3^4\times 5^1\times {\mathrm{161779}}^1$

素因数の和:161796

約数の個数: 20

約数和(自身を含む): 117452280

約数和(自身を除く): 51931785

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 161779, 485337, 808895, 1456011, 2426685, 4368033, 7280055, 13104099, 21840165, 65520495]

約数ペア:

[(1, 65520495), (3, 21840165), (5, 13104099), (9, 7280055), (15, 4368033), (27, 2426685), (45, 1456011), (81, 808895), (135, 485337), (405, 161779)]