81561459

素因数分解:

$3^1\times 7^1\times {\mathrm{811}}^1\times {\mathrm{4789}}^1$

素因数の和:5610

約数の個数: 16

約数和(自身を含む): 124463360

約数和(自身を除く): 42901901

約数列:

[1, 3, 7, 21, 811, 2433, 4789, 5677, 14367, 17031, 33523, 100569, 3883879, 11651637, 27187153, 81561459]

約数ペア:

[(1, 81561459), (3, 27187153), (7, 11651637), (21, 3883879), (811, 100569), (2433, 33523), (4789, 17031), (5677, 14367)]