212456211

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{90677}}^1$

素因数の和:90762

約数の個数: 16

約数和(自身を含む): 313383168

約数和(自身を除く): 100926957

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 90677, 272031, 997447, 2992341, 6438067, 19314201, 70818737, 212456211]

約数ペア:

[(1, 212456211), (3, 70818737), (11, 19314201), (33, 6438067), (71, 2992341), (213, 997447), (781, 272031), (2343, 90677)]