72229239

素因数分解:

$3^4\times {\mathrm{199}}^1\times {\mathrm{4481}}^1$

素因数の和:4692

約数の個数: 20

約数和(自身を含む): 108464400

約数和(自身を除く): 36235161

約数列:

[1, 3, 9, 27, 81, 199, 597, 1791, 4481, 5373, 13443, 16119, 40329, 120987, 362961, 891719, 2675157, 8025471, 24076413, 72229239]

約数ペア:

[(1, 72229239), (3, 24076413), (9, 8025471), (27, 2675157), (81, 891719), (199, 362961), (597, 120987), (1791, 40329), (4481, 16119), (5373, 13443)]