3121245

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 5460000

約数和(自身を除く): 2338755

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 499, 695, 1251, 1497, 2085, 2495, 4491, 6255, 7485, 22455, 69361, 208083, 346805, 624249, 1040415, 3121245]

約数ペア:

[(1, 3121245), (3, 1040415), (5, 624249), (9, 346805), (15, 208083), (45, 69361), (139, 22455), (417, 7485), (499, 6255), (695, 4491), (1251, 2495), (1497, 2085)]