15428889

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6619}}^1$

素因数の和:6669

約数の個数: 24

約数和(自身を含む): 26162240

約数和(自身を除く): 10733351

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 6619, 19857, 46333, 59571, 138999, 244903, 416997, 734709, 1714321, 2204127, 5142963, 15428889]

約数ペア:

[(1, 15428889), (3, 5142963), (7, 2204127), (9, 1714321), (21, 734709), (37, 416997), (63, 244903), (111, 138999), (259, 59571), (333, 46333), (777, 19857), (2331, 6619)]