13397481

素因数分解:

$3^4\times {\mathrm{193}}^1\times {\mathrm{857}}^1$

素因数の和:1062

約数の個数: 20

約数和(自身を含む): 20140692

約数和(自身を除く): 6743211

約数列:

[1, 3, 9, 27, 81, 193, 579, 857, 1737, 2571, 5211, 7713, 15633, 23139, 69417, 165401, 496203, 1488609, 4465827, 13397481]

約数ペア:

[(1, 13397481), (3, 4465827), (9, 1488609), (27, 496203), (81, 165401), (193, 69417), (579, 23139), (857, 15633), (1737, 7713), (2571, 5211)]