80665227

素因数分解:

$3^4\times {\mathrm{677}}^1\times {\mathrm{1471}}^1$

素因数の和:2160

約数の個数: 20

約数和(自身を含む): 120759936

約数和(自身を除く): 40094709

約数列:

[1, 3, 9, 27, 81, 677, 1471, 2031, 4413, 6093, 13239, 18279, 39717, 54837, 119151, 995867, 2987601, 8962803, 26888409, 80665227]

約数ペア:

[(1, 80665227), (3, 26888409), (9, 8962803), (27, 2987601), (81, 995867), (677, 119151), (1471, 54837), (2031, 39717), (4413, 18279), (6093, 13239)]