28228707

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{241271}}^1$

素因数の和:241290

約数の個数: 12

約数和(自身を含む): 43911504

約数和(自身を除く): 15682797

約数列:

[1, 3, 9, 13, 39, 117, 241271, 723813, 2171439, 3136523, 9409569, 28228707]

約数ペア:

[(1, 28228707), (3, 9409569), (9, 3136523), (13, 2171439), (39, 723813), (117, 241271)]