12225915

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20899}}^1$

素因数の和:20923

約数の個数: 24

約数和(自身を含む): 22822800

約数和(自身を除く): 10596885

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 20899, 62697, 104495, 188091, 271687, 313485, 815061, 940455, 1358435, 2445183, 4075305, 12225915]

約数ペア:

[(1, 12225915), (3, 4075305), (5, 2445183), (9, 1358435), (13, 940455), (15, 815061), (39, 313485), (45, 271687), (65, 188091), (117, 104495), (195, 62697), (585, 20899)]