3995478081

素因数分解:

$3^2\times 7^2\times {\mathrm{9060041}}^1$

素因数の和:9060061

約数の個数: 18

約数和(自身を含む): 6713491122

約数和(自身を除く): 2718013041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 9060041, 27180123, 63420287, 81540369, 190260861, 443942009, 570782583, 1331826027, 3995478081]

約数ペア:

[(1, 3995478081), (3, 1331826027), (7, 570782583), (9, 443942009), (21, 190260861), (49, 81540369), (63, 63420287), (147, 27180123), (441, 9060041)]