681007755

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1\times {\mathrm{2459}}^1$

素因数の和:3003

約数の個数: 32

約数和(自身を含む): 1121760000

約数和(自身を除く): 440752245

約数列:

[1, 3, 5, 15, 37, 111, 185, 499, 555, 1497, 2459, 2495, 7377, 7485, 12295, 18463, 36885, 55389, 90983, 92315, 272949, 276945, 454915, 1227041, 1364745, 3681123, 6135205, 18405615, 45400517, 136201551, 227002585, 681007755]

約数ペア:

[(1, 681007755), (3, 227002585), (5, 136201551), (15, 45400517), (37, 18405615), (111, 6135205), (185, 3681123), (499, 1364745), (555, 1227041), (1497, 454915), (2459, 276945), (2495, 272949), (7377, 92315), (7485, 90983), (12295, 55389), (18463, 36885)]