10921815

素因数分解:

$3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1489}}^1$

素因数の和:1663

約数の個数: 24

約数和(自身を含む): 19060080

約数和(自身を除く): 8138265

約数列:

[1, 3, 5, 9, 15, 45, 163, 489, 815, 1467, 1489, 2445, 4467, 7335, 7445, 13401, 22335, 67005, 242707, 728121, 1213535, 2184363, 3640605, 10921815]

約数ペア:

[(1, 10921815), (3, 3640605), (5, 2184363), (9, 1213535), (15, 728121), (45, 242707), (163, 67005), (489, 22335), (815, 13401), (1467, 7445), (1489, 7335), (2445, 4467)]