12908205

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3631}}^1$

素因数の和:3721

約数の個数: 24

約数和(自身を含む): 22663680

約数和(自身を除く): 9755475

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 395, 711, 1185, 3555, 3631, 10893, 18155, 32679, 54465, 163395, 286849, 860547, 1434245, 2581641, 4302735, 12908205]

約数ペア:

[(1, 12908205), (3, 4302735), (5, 2581641), (9, 1434245), (15, 860547), (45, 286849), (79, 163395), (237, 54465), (395, 32679), (711, 18155), (1185, 10893), (3555, 3631)]