12680631

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{1759}}^1$

素因数の和:1860

約数の個数: 20

約数和(自身を含む): 19166400

約数和(自身を除く): 6485769

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 1759, 2403, 5277, 7209, 15831, 47493, 142479, 156551, 469653, 1408959, 4226877, 12680631]

約数ペア:

[(1, 12680631), (3, 4226877), (9, 1408959), (27, 469653), (81, 156551), (89, 142479), (267, 47493), (801, 15831), (1759, 7209), (2403, 5277)]