28123755

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{170447}}^1$

素因数の和:170466

約数の個数: 16

約数和(自身を含む): 49089024

約数和(自身を除く): 20965269

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 170447, 511341, 852235, 1874917, 2556705, 5624751, 9374585, 28123755]

約数ペア:

[(1, 28123755), (3, 9374585), (5, 5624751), (11, 2556705), (15, 1874917), (33, 852235), (55, 511341), (165, 170447)]