11721843

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4327}}^1$

素因数の和:4383

約数の個数: 24

約数和(自身を含む): 19804928

約数和(自身を除く): 8083085

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 4327, 12981, 30289, 38943, 90867, 186061, 272601, 558183, 1302427, 1674549, 3907281, 11721843]

約数ペア:

[(1, 11721843), (3, 3907281), (7, 1674549), (9, 1302427), (21, 558183), (43, 272601), (63, 186061), (129, 90867), (301, 38943), (387, 30289), (903, 12981), (2709, 4327)]