123391737

素因数分解:

$3^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{3989}}^1$

素因数の和:4493

約数の個数: 24

約数和(自身を含む): 204160320

約数和(自身を除く): 80768583

約数列:

[1, 3, 7, 9, 21, 63, 491, 1473, 3437, 3989, 4419, 10311, 11967, 27923, 30933, 35901, 83769, 251307, 1958599, 5875797, 13710193, 17627391, 41130579, 123391737]

約数ペア:

[(1, 123391737), (3, 41130579), (7, 17627391), (9, 13710193), (21, 5875797), (63, 1958599), (491, 251307), (1473, 83769), (3437, 35901), (3989, 30933), (4419, 27923), (10311, 11967)]