28179963

素因数分解:

$3^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{911}}^1$

素因数の和:1415

約数の個数: 24

約数和(自身を含む): 46665216

約数和(自身を除く): 18485253

約数列:

[1, 3, 7, 9, 21, 63, 491, 911, 1473, 2733, 3437, 4419, 6377, 8199, 10311, 19131, 30933, 57393, 447301, 1341903, 3131107, 4025709, 9393321, 28179963]

約数ペア:

[(1, 28179963), (3, 9393321), (7, 4025709), (9, 3131107), (21, 1341903), (63, 447301), (491, 57393), (911, 30933), (1473, 19131), (2733, 10311), (3437, 8199), (4419, 6377)]