28756161

素因数分解:

$3^3\times 7^1\times {\mathrm{233}}^1\times {\mathrm{653}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 48971520

約数和(自身を除く): 20215359

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 233, 653, 699, 1631, 1959, 2097, 4571, 4893, 5877, 6291, 13713, 14679, 17631, 41139, 44037, 123417, 152149, 456447, 1065043, 1369341, 3195129, 4108023, 9585387, 28756161]

約数ペア:

[(1, 28756161), (3, 9585387), (7, 4108023), (9, 3195129), (21, 1369341), (27, 1065043), (63, 456447), (189, 152149), (233, 123417), (653, 44037), (699, 41139), (1631, 17631), (1959, 14679), (2097, 13713), (4571, 6291), (4893, 5877)]