68289993

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{983}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 105799680

約数和(自身を除く): 37509687

約数列:

[1, 3, 9, 27, 31, 83, 93, 249, 279, 747, 837, 983, 2241, 2573, 2949, 7719, 8847, 23157, 26541, 30473, 69471, 81589, 91419, 244767, 274257, 734301, 822771, 2202903, 2529259, 7587777, 22763331, 68289993]

約数ペア:

[(1, 68289993), (3, 22763331), (9, 7587777), (27, 2529259), (31, 2202903), (83, 822771), (93, 734301), (249, 274257), (279, 244767), (747, 91419), (837, 81589), (983, 69471), (2241, 30473), (2573, 26541), (2949, 23157), (7719, 8847)]