68788993

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{15427}}^1$

素因数の和:15461

約数の個数: 16

約数和(自身を含む): 86396800

約数和(自身を除く): 17607807

約数列:

[1, 7, 13, 49, 91, 343, 637, 4459, 15427, 107989, 200551, 755923, 1403857, 5291461, 9826999, 68788993]

約数ペア:

[(1, 68788993), (7, 9826999), (13, 5291461), (49, 1403857), (91, 755923), (343, 200551), (637, 107989), (4459, 15427)]