7213689

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1709}}^1$

素因数の和:1789

約数の個数: 24

約数和(自身を含む): 12093120

約数和(自身を除く): 4879431

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 1709, 4221, 5127, 11963, 15381, 35889, 107667, 114503, 343509, 801521, 1030527, 2404563, 7213689]

約数ペア:

[(1, 7213689), (3, 2404563), (7, 1030527), (9, 801521), (21, 343509), (63, 114503), (67, 107667), (201, 35889), (469, 15381), (603, 11963), (1407, 5127), (1709, 4221)]