80609823

素因数分解:

$3^4\times 7^1\times {\mathrm{142169}}^1$

素因数の和:142188

約数の個数: 20

約数和(自身を含む): 137620560

約数和(自身を除く): 57010737

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 142169, 426507, 995183, 1279521, 2985549, 3838563, 8956647, 11515689, 26869941, 80609823]

約数ペア:

[(1, 80609823), (3, 26869941), (7, 11515689), (9, 8956647), (21, 3838563), (27, 2985549), (63, 1279521), (81, 995183), (189, 426507), (567, 142169)]