13920579

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{1931}}^1$

素因数の和:2032

約数の個数: 20

約数和(自身を含む): 21039480

約数和(自身を除く): 7118901

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 1931, 2403, 5793, 7209, 17379, 52137, 156411, 171859, 515577, 1546731, 4640193, 13920579]

約数ペア:

[(1, 13920579), (3, 4640193), (9, 1546731), (27, 515577), (81, 171859), (89, 156411), (267, 52137), (801, 17379), (1931, 7209), (2403, 5793)]