157020345

素因数分解:

$3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{21407}}^1$

素因数の和:21581

約数の個数: 24

約数和(自身を含む): 273851136

約数和(自身を除く): 116830791

約数列:

[1, 3, 5, 9, 15, 45, 163, 489, 815, 1467, 2445, 7335, 21407, 64221, 107035, 192663, 321105, 963315, 3489341, 10468023, 17446705, 31404069, 52340115, 157020345]

約数ペア:

[(1, 157020345), (3, 52340115), (5, 31404069), (9, 17446705), (15, 10468023), (45, 3489341), (163, 963315), (489, 321105), (815, 192663), (1467, 107035), (2445, 64221), (7335, 21407)]