28181751

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{4327}}^1$

素因数の和:4510

約数の個数: 16

約数和(自身を含む): 40717824

約数和(自身を除く): 12536073

約数列:

[1, 3, 13, 39, 167, 501, 2171, 4327, 6513, 12981, 56251, 168753, 722609, 2167827, 9393917, 28181751]

約数ペア:

[(1, 28181751), (3, 9393917), (13, 2167827), (39, 722609), (167, 168753), (501, 56251), (2171, 12981), (4327, 6513)]