12406689

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{1721}}^1$

素因数の和:1822

約数の個数: 20

約数和(自身を含む): 18752580

約数和(自身を除く): 6345891

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 1721, 2403, 5163, 7209, 15489, 46467, 139401, 153169, 459507, 1378521, 4135563, 12406689]

約数ペア:

[(1, 12406689), (3, 4135563), (9, 1378521), (27, 459507), (81, 153169), (89, 139401), (267, 46467), (801, 15489), (1721, 7209), (2403, 5163)]