28875945

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2311}}^1$

素因数の和:2350

約数の個数: 48

約数和(自身を含む): 56930688

約数和(自身を除く): 28054743

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 357, 595, 735, 833, 1785, 2311, 2499, 4165, 6933, 11555, 12495, 16177, 34665, 39287, 48531, 80885, 113239, 117861, 196435, 242655, 275009, 339717, 566195, 589305, 825027, 1375045, 1698585, 1925063, 4125135, 5775189, 9625315, 28875945]

約数ペア:

[(1, 28875945), (3, 9625315), (5, 5775189), (7, 4125135), (15, 1925063), (17, 1698585), (21, 1375045), (35, 825027), (49, 589305), (51, 566195), (85, 339717), (105, 275009), (119, 242655), (147, 196435), (245, 117861), (255, 113239), (357, 80885), (595, 48531), (735, 39287), (833, 34665), (1785, 16177), (2311, 12495), (2499, 11555), (4165, 6933)]