1237887

素因数分解:

$3^2\times 7^3\times {\mathrm{401}}^1$

素因数の和:428

約数の個数: 24

約数和(自身を含む): 2090400

約数和(自身を除く): 852513

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 401, 441, 1029, 1203, 2807, 3087, 3609, 8421, 19649, 25263, 58947, 137543, 176841, 412629, 1237887]

約数ペア:

[(1, 1237887), (3, 412629), (7, 176841), (9, 137543), (21, 58947), (49, 25263), (63, 19649), (147, 8421), (343, 3609), (401, 3087), (441, 2807), (1029, 1203)]