15138495

素因数分解:

$3^4\times 5^1\times {\mathrm{37379}}^1$

素因数の和:37396

約数の個数: 20

約数和(自身を含む): 27137880

約数和(自身を除く): 11999385

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 37379, 112137, 186895, 336411, 560685, 1009233, 1682055, 3027699, 5046165, 15138495]

約数ペア:

[(1, 15138495), (3, 5046165), (5, 3027699), (9, 1682055), (15, 1009233), (27, 560685), (45, 336411), (81, 186895), (135, 112137), (405, 37379)]