81285849

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{9743}}^1$

素因数の和:9858

約数の個数: 20

約数和(自身を含む): 122618496

約数和(自身を除く): 41332647

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2781, 8343, 9743, 29229, 87687, 263061, 789183, 1003529, 3010587, 9031761, 27095283, 81285849]

約数ペア:

[(1, 81285849), (3, 27095283), (9, 9031761), (27, 3010587), (81, 1003529), (103, 789183), (309, 263061), (927, 87687), (2781, 29229), (8343, 9743)]