86821191

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{1013}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 128129040

約数和(自身を除く): 41307849

約数列:

[1, 3, 9, 89, 107, 267, 321, 801, 963, 1013, 3039, 9117, 9523, 28569, 85707, 90157, 108391, 270471, 325173, 811413, 975519, 9646799, 28940397, 86821191]

約数ペア:

[(1, 86821191), (3, 28940397), (9, 9646799), (89, 975519), (107, 811413), (267, 325173), (321, 270471), (801, 108391), (963, 90157), (1013, 85707), (3039, 28569), (9117, 9523)]