27720921

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{683}}^1$

素因数の和:932

約数の個数: 16

約数和(自身を含む): 37691136

約数和(自身を除く): 9970215

約数列:

[1, 3, 83, 163, 249, 489, 683, 2049, 13529, 40587, 56689, 111329, 170067, 333987, 9240307, 27720921]

約数ペア:

[(1, 27720921), (3, 9240307), (83, 333987), (163, 170067), (249, 111329), (489, 56689), (683, 40587), (2049, 13529)]