7864173

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 11920896

約数和(自身を除く): 4056723

約数列:

[1, 3, 9, 31, 71, 93, 213, 279, 397, 639, 1191, 2201, 3573, 6603, 12307, 19809, 28187, 36921, 84561, 110763, 253683, 873797, 2621391, 7864173]

約数ペア:

[(1, 7864173), (3, 2621391), (9, 873797), (31, 253683), (71, 110763), (93, 84561), (213, 36921), (279, 28187), (397, 19809), (639, 12307), (1191, 6603), (2201, 3573)]