81319167

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 123298560

約数和(自身を除く): 41979393

約数列:

[1, 3, 9, 27, 83, 131, 249, 277, 393, 747, 831, 1179, 2241, 2493, 3537, 7479, 10873, 22991, 32619, 36287, 68973, 97857, 108861, 206919, 293571, 326583, 620757, 979749, 3011821, 9035463, 27106389, 81319167]

約数ペア:

[(1, 81319167), (3, 27106389), (9, 9035463), (27, 3011821), (83, 979749), (131, 620757), (249, 326583), (277, 293571), (393, 206919), (747, 108861), (831, 97857), (1179, 68973), (2241, 36287), (2493, 32619), (3537, 22991), (7479, 10873)]