717470217

素因数分解:

$3^4\times {\mathrm{757}}^1\times {\mathrm{11701}}^1$

素因数の和:12470

約数の個数: 20

約数和(自身を含む): 1073284036

約数和(自身を除く): 355813819

約数列:

[1, 3, 9, 27, 81, 757, 2271, 6813, 11701, 20439, 35103, 61317, 105309, 315927, 947781, 8857657, 26572971, 79718913, 239156739, 717470217]

約数ペア:

[(1, 717470217), (3, 239156739), (9, 79718913), (27, 26572971), (81, 8857657), (757, 947781), (2271, 315927), (6813, 105309), (11701, 61317), (20439, 35103)]