81569733

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{9497}}^1$

素因数の和:9916

約数の個数: 16

約数和(自身を含む): 124613760

約数和(自身を除く): 43044027

約数列:

[1, 3, 7, 21, 409, 1227, 2863, 8589, 9497, 28491, 66479, 199437, 3884273, 11652819, 27189911, 81569733]

約数ペア:

[(1, 81569733), (3, 27189911), (7, 11652819), (21, 3884273), (409, 199437), (1227, 66479), (2863, 28491), (8589, 9497)]