128896587

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{137}}^1\times {\mathrm{977}}^1$

素因数の和:1227

約数の個数: 24

約数和(自身を含む): 189489456

約数和(自身を除く): 60592869

約数列:

[1, 3, 9, 107, 137, 321, 411, 963, 977, 1233, 2931, 8793, 14659, 43977, 104539, 131931, 133849, 313617, 401547, 940851, 1204641, 14321843, 42965529, 128896587]

約数ペア:

[(1, 128896587), (3, 42965529), (9, 14321843), (107, 1204641), (137, 940851), (321, 401547), (411, 313617), (963, 133849), (977, 131931), (1233, 104539), (2931, 43977), (8793, 14659)]