78855945

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{6311}}^1$

素因数の和:6350

約数の個数: 48

約数和(自身を含む): 155426688

約数和(自身を除く): 76570743

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 357, 595, 735, 833, 1785, 2499, 4165, 6311, 12495, 18933, 31555, 44177, 94665, 107287, 132531, 220885, 309239, 321861, 536435, 662655, 751009, 927717, 1546195, 1609305, 2253027, 3755045, 4638585, 5257063, 11265135, 15771189, 26285315, 78855945]

約数ペア:

[(1, 78855945), (3, 26285315), (5, 15771189), (7, 11265135), (15, 5257063), (17, 4638585), (21, 3755045), (35, 2253027), (49, 1609305), (51, 1546195), (85, 927717), (105, 751009), (119, 662655), (147, 536435), (245, 321861), (255, 309239), (357, 220885), (595, 132531), (735, 107287), (833, 94665), (1785, 44177), (2499, 31555), (4165, 18933), (6311, 12495)]