64440789

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71363}}^1$

素因数の和:71416

約数の個数: 16

約数和(自身を含む): 100480512

約数和(自身を除く): 36039723

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 71363, 214089, 499541, 1498623, 3068609, 9205827, 21480263, 64440789]

約数ペア:

[(1, 64440789), (3, 21480263), (7, 9205827), (21, 3068609), (43, 1498623), (129, 499541), (301, 214089), (903, 71363)]