31193343

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{4327}}^1$

素因数の和:4428

約数の個数: 20

約数和(自身を含む): 47131920

約数和(自身を除く): 15938577

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 4327, 7209, 12981, 38943, 116829, 350487, 385103, 1155309, 3465927, 10397781, 31193343]

約数ペア:

[(1, 31193343), (3, 10397781), (9, 3465927), (27, 1155309), (81, 385103), (89, 350487), (267, 116829), (801, 38943), (2403, 12981), (4327, 7209)]