12638205

素因数分解:

$3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1723}}^1$

素因数の和:1897

約数の個数: 24

約数和(自身を含む): 22053408

約数和(自身を除く): 9415203

約数列:

[1, 3, 5, 9, 15, 45, 163, 489, 815, 1467, 1723, 2445, 5169, 7335, 8615, 15507, 25845, 77535, 280849, 842547, 1404245, 2527641, 4212735, 12638205]

約数ペア:

[(1, 12638205), (3, 4212735), (5, 2527641), (9, 1404245), (15, 842547), (45, 280849), (163, 77535), (489, 25845), (815, 15507), (1467, 8615), (1723, 7335), (2445, 5169)]