78866529

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{5531}}^1$

素因数の和:5645

約数の個数: 24

約数和(自身を含む): 123607008

約数和(自身を除く): 44740479

約数列:

[1, 3, 7, 21, 49, 97, 147, 291, 679, 2037, 4753, 5531, 14259, 16593, 38717, 116151, 271019, 536507, 813057, 1609521, 3755549, 11266647, 26288843, 78866529]

約数ペア:

[(1, 78866529), (3, 26288843), (7, 11266647), (21, 3755549), (49, 1609521), (97, 813057), (147, 536507), (291, 271019), (679, 116151), (2037, 38717), (4753, 16593), (5531, 14259)]