13420981

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{463}}^1$

素因数の和:612

約数の個数: 16

約数和(自身を含む): 15902208

約数和(自身を除く): 2481227

約数列:

[1, 7, 41, 101, 287, 463, 707, 3241, 4141, 18983, 28987, 46763, 132881, 327341, 1917283, 13420981]

約数ペア:

[(1, 13420981), (7, 1917283), (41, 327341), (101, 132881), (287, 46763), (463, 28987), (707, 18983), (3241, 4141)]