28247391

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{84827}}^1$

素因数の和:84870

約数の個数: 12

約数和(自身を含む): 41905032

約数和(自身を除く): 13657641

約数列:

[1, 3, 9, 37, 111, 333, 84827, 254481, 763443, 3138599, 9415797, 28247391]

約数ペア:

[(1, 28247391), (3, 9415797), (9, 3138599), (37, 763443), (111, 254481), (333, 84827)]