28884531

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{541}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 42705264

約数和(自身を除く): 13820733

約数列:

[1, 3, 13, 37, 39, 111, 481, 541, 1369, 1443, 1623, 4107, 7033, 17797, 20017, 21099, 53391, 60051, 260221, 740629, 780663, 2221887, 9628177, 28884531]

約数ペア:

[(1, 28884531), (3, 9628177), (13, 2221887), (37, 780663), (39, 740629), (111, 260221), (481, 60051), (541, 53391), (1369, 21099), (1443, 20017), (1623, 17797), (4107, 7033)]