31383531

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{2377}}^1$

素因数の和:2552

約数の個数: 20

約数和(自身を含む): 47189032

約数和(自身を除く): 15805501

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 2377, 4401, 7131, 13203, 21393, 64179, 192537, 387451, 1162353, 3487059, 10461177, 31383531]

約数ペア:

[(1, 31383531), (3, 10461177), (9, 3487059), (27, 1162353), (81, 387451), (163, 192537), (489, 64179), (1467, 21393), (2377, 13203), (4401, 7131)]