8138961

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{1129}}^1$

素因数の和:1230

約数の個数: 20

約数和(自身を含む): 12305700

約数和(自身を除く): 4166739

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 1129, 2403, 3387, 7209, 10161, 30483, 91449, 100481, 301443, 904329, 2712987, 8138961]

約数ペア:

[(1, 8138961), (3, 2712987), (9, 904329), (27, 301443), (81, 100481), (89, 91449), (267, 30483), (801, 10161), (1129, 7209), (2403, 3387)]