81148797

素因数分解:

$3^4\times {\mathrm{241}}^1\times {\mathrm{4157}}^1$

素因数の和:4410

約数の個数: 20

約数和(自身を含む): 121754556

約数和(自身を除く): 40605759

約数列:

[1, 3, 9, 27, 81, 241, 723, 2169, 4157, 6507, 12471, 19521, 37413, 112239, 336717, 1001837, 3005511, 9016533, 27049599, 81148797]

約数ペア:

[(1, 81148797), (3, 27049599), (9, 9016533), (27, 3005511), (81, 1001837), (241, 336717), (723, 112239), (2169, 37413), (4157, 19521), (6507, 12471)]