223445781

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{751}}^1\times {\mathrm{2543}}^1$

素因数の和:3313

約数の個数: 24

約数和(自身を含む): 348182016

約数和(自身を除く): 124736235

約数列:

[1, 3, 9, 13, 39, 117, 751, 2253, 2543, 6759, 7629, 9763, 22887, 29289, 33059, 87867, 99177, 297531, 1909793, 5729379, 17188137, 24827309, 74481927, 223445781]

約数ペア:

[(1, 223445781), (3, 74481927), (9, 24827309), (13, 17188137), (39, 5729379), (117, 1909793), (751, 297531), (2253, 99177), (2543, 87867), (6759, 33059), (7629, 29289), (9763, 22887)]