66471993

素因数分解:

$3^2\times 7^1\times {\mathrm{811}}^1\times {\mathrm{1301}}^1$

素因数の和:2125

約数の個数: 24

約数和(自身を含む): 109951296

約数和(自身を除く): 43479303

約数列:

[1, 3, 7, 9, 21, 63, 811, 1301, 2433, 3903, 5677, 7299, 9107, 11709, 17031, 27321, 51093, 81963, 1055111, 3165333, 7385777, 9495999, 22157331, 66471993]

約数ペア:

[(1, 66471993), (3, 22157331), (7, 9495999), (9, 7385777), (21, 3165333), (63, 1055111), (811, 81963), (1301, 51093), (2433, 27321), (3903, 17031), (5677, 11709), (7299, 9107)]