1391337

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:294

約数の個数: 20

約数和(自身を含む): 2112660

約数和(自身を除く): 721323

約数列:

[1, 3, 9, 27, 81, 89, 193, 267, 579, 801, 1737, 2403, 5211, 7209, 15633, 17177, 51531, 154593, 463779, 1391337]

約数ペア:

[(1, 1391337), (3, 463779), (9, 154593), (27, 51531), (81, 17177), (89, 15633), (193, 7209), (267, 5211), (579, 2403), (801, 1737)]