28280691

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{28309}}^1$

素因数の和:28355

約数の個数: 16

約数和(自身を含む): 43031200

約数和(自身を除く): 14750509

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 28309, 84927, 254781, 764343, 1047433, 3142299, 9426897, 28280691]

約数ペア:

[(1, 28280691), (3, 9426897), (9, 3142299), (27, 1047433), (37, 764343), (111, 254781), (333, 84927), (999, 28309)]