11517795

素因数分解:

$3^4\times 5^1\times {\mathrm{28439}}^1$

素因数の和:28456

約数の個数: 20

約数和(自身を含む): 20647440

約数和(自身を除く): 9129645

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 28439, 85317, 142195, 255951, 426585, 767853, 1279755, 2303559, 3839265, 11517795]

約数ペア:

[(1, 11517795), (3, 3839265), (5, 2303559), (9, 1279755), (15, 767853), (27, 426585), (45, 255951), (81, 142195), (135, 85317), (405, 28439)]