1330954121

素因数分解:

$7^2\times {\mathrm{37}}^2\times {\mathrm{19841}}^1$

素因数の和:19929

約数の個数: 18

約数和(自身を含む): 1591308558

約数和(自身を除く): 260354437

約数列:

[1, 7, 37, 49, 259, 1369, 1813, 9583, 19841, 67081, 138887, 734117, 972209, 5138819, 27162329, 35971733, 190136303, 1330954121]

約数ペア:

[(1, 1330954121), (7, 190136303), (37, 35971733), (49, 27162329), (259, 5138819), (1369, 972209), (1813, 734117), (9583, 138887), (19841, 67081)]