31313115

素因数分解:

$3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1423}}^1$

素因数の和:1600

約数の個数: 32

約数和(自身を含む): 56048640

約数和(自身を除く): 24735525

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 163, 489, 815, 1423, 1467, 2445, 4269, 4401, 7115, 7335, 12807, 21345, 22005, 38421, 64035, 192105, 231949, 695847, 1159745, 2087541, 3479235, 6262623, 10437705, 31313115]

約数ペア:

[(1, 31313115), (3, 10437705), (5, 6262623), (9, 3479235), (15, 2087541), (27, 1159745), (45, 695847), (135, 231949), (163, 192105), (489, 64035), (815, 38421), (1423, 22005), (1467, 21345), (2445, 12807), (4269, 7335), (4401, 7115)]