12708495

素因数分解:

$3^4\times 5^1\times {\mathrm{31379}}^1$

素因数の和:31396

約数の個数: 20

約数和(自身を含む): 22781880

約数和(自身を除く): 10073385

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 31379, 94137, 156895, 282411, 470685, 847233, 1412055, 2541699, 4236165, 12708495]

約数ペア:

[(1, 12708495), (3, 4236165), (5, 2541699), (9, 1412055), (15, 847233), (27, 470685), (45, 282411), (81, 156895), (135, 94137), (405, 31379)]