66787623

素因数分解:

$3^2\times 7^1\times {\mathrm{523}}^1\times {\mathrm{2027}}^1$

素因数の和:2563

約数の個数: 24

約数和(自身を含む): 110517888

約数和(自身を除く): 43730265

約数列:

[1, 3, 7, 9, 21, 63, 523, 1569, 2027, 3661, 4707, 6081, 10983, 14189, 18243, 32949, 42567, 127701, 1060121, 3180363, 7420847, 9541089, 22262541, 66787623]

約数ペア:

[(1, 66787623), (3, 22262541), (7, 9541089), (9, 7420847), (21, 3180363), (63, 1060121), (523, 127701), (1569, 42567), (2027, 32949), (3661, 18243), (4707, 14189), (6081, 10983)]