81121287

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{977}}^1\times {\mathrm{2129}}^1$

素因数の和:3122

約数の個数: 16

約数和(自身を含む): 116655840

約数和(自身を除く): 35534553

約数列:

[1, 3, 13, 39, 977, 2129, 2931, 6387, 12701, 27677, 38103, 83031, 2080033, 6240099, 27040429, 81121287]

約数ペア:

[(1, 81121287), (3, 27040429), (13, 6240099), (39, 2080033), (977, 83031), (2129, 38103), (2931, 27677), (6387, 12701)]