8251845

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 15649920

約数和(自身を除く): 7398075

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 103, 105, 109, 147, 245, 309, 327, 515, 545, 721, 735, 763, 1545, 1635, 2163, 2289, 3605, 3815, 5047, 5341, 10815, 11227, 11445, 15141, 16023, 25235, 26705, 33681, 56135, 75705, 78589, 80115, 168405, 235767, 392945, 550123, 1178835, 1650369, 2750615, 8251845]

約数ペア:

[(1, 8251845), (3, 2750615), (5, 1650369), (7, 1178835), (15, 550123), (21, 392945), (35, 235767), (49, 168405), (103, 80115), (105, 78589), (109, 75705), (147, 56135), (245, 33681), (309, 26705), (327, 25235), (515, 16023), (545, 15141), (721, 11445), (735, 11227), (763, 10815), (1545, 5341), (1635, 5047), (2163, 3815), (2289, 3605)]