68214321

素因数分解:

$3^2\times 7^2\times {\mathrm{154681}}^1$

素因数の和:154701

約数の個数: 18

約数和(自身を含む): 114619362

約数和(自身を除く): 46405041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 154681, 464043, 1082767, 1392129, 3248301, 7579369, 9744903, 22738107, 68214321]

約数ペア:

[(1, 68214321), (3, 22738107), (7, 9744903), (9, 7579369), (21, 3248301), (49, 1392129), (63, 1082767), (147, 464043), (441, 154681)]