5712021

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1277}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 9569664

約数和(自身を除く): 3857643

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1277, 1491, 3831, 4473, 8939, 11493, 26817, 80451, 90667, 272001, 634669, 816003, 1904007, 5712021]

約数ペア:

[(1, 5712021), (3, 1904007), (7, 816003), (9, 634669), (21, 272001), (63, 90667), (71, 80451), (213, 26817), (497, 11493), (639, 8939), (1277, 4473), (1491, 3831)]