28690443

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{2789}}^1$

素因数の和:2928

約数の個数: 20

約数和(自身を含む): 43211520

約数和(自身を除く): 14521077

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 2789, 3429, 8367, 10287, 25101, 75303, 225909, 354203, 1062609, 3187827, 9563481, 28690443]

約数ペア:

[(1, 28690443), (3, 9563481), (9, 3187827), (27, 1062609), (81, 354203), (127, 225909), (381, 75303), (1143, 25101), (2789, 10287), (3429, 8367)]