20131389

素因数分解:

$3^3\times {\mathrm{409}}^1\times {\mathrm{1823}}^1$

素因数の和:2241

約数の個数: 16

約数和(自身を含む): 29913600

約数和(自身を除く): 9782211

約数列:

[1, 3, 9, 27, 409, 1227, 1823, 3681, 5469, 11043, 16407, 49221, 745607, 2236821, 6710463, 20131389]

約数ペア:

[(1, 20131389), (3, 6710463), (9, 2236821), (27, 745607), (409, 49221), (1227, 16407), (1823, 11043), (3681, 5469)]