12838581

素因数分解:

$3^4\times 7^1\times {\mathrm{22643}}^1$

素因数の和:22662

約数の個数: 20

約数和(自身を含む): 21919392

約数和(自身を除く): 9080811

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 22643, 67929, 158501, 203787, 475503, 611361, 1426509, 1834083, 4279527, 12838581]

約数ペア:

[(1, 12838581), (3, 4279527), (7, 1834083), (9, 1426509), (21, 611361), (27, 475503), (63, 203787), (81, 158501), (189, 67929), (567, 22643)]