1320656463

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{487507}}^1$

素因数の和:487563

約数の個数: 24

約数和(自身を含む): 2230836608

約数和(自身を除く): 910180145

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 487507, 1462521, 3412549, 4387563, 10237647, 20962801, 30712941, 62888403, 146739607, 188665209, 440218821, 1320656463]

約数ペア:

[(1, 1320656463), (3, 440218821), (7, 188665209), (9, 146739607), (21, 62888403), (43, 30712941), (63, 20962801), (129, 10237647), (301, 4387563), (387, 3412549), (903, 1462521), (2709, 487507)]