217320891

素因数分解:

$3^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1\times {\mathrm{1429}}^1$

素因数の和:1906

約数の個数: 16

約数和(自身を含む): 292680960

約数和(自身を除く): 75360069

約数列:

[1, 3, 163, 311, 489, 933, 1429, 4287, 50693, 152079, 232927, 444419, 698781, 1333257, 72440297, 217320891]

約数ペア:

[(1, 217320891), (3, 72440297), (163, 1333257), (311, 698781), (489, 444419), (933, 232927), (1429, 152079), (4287, 50693)]