28807065

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{839}}^1$

素因数の和:966

約数の個数: 48

約数和(自身を含む): 57657600

約数和(自身を除く): 28850535

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 109, 315, 327, 545, 763, 839, 981, 1635, 2289, 2517, 3815, 4195, 4905, 5873, 6867, 7551, 11445, 12585, 17619, 29365, 34335, 37755, 52857, 88095, 91451, 264285, 274353, 457255, 640157, 823059, 1371765, 1920471, 3200785, 4115295, 5761413, 9602355, 28807065]

約数ペア:

[(1, 28807065), (3, 9602355), (5, 5761413), (7, 4115295), (9, 3200785), (15, 1920471), (21, 1371765), (35, 823059), (45, 640157), (63, 457255), (105, 274353), (109, 264285), (315, 91451), (327, 88095), (545, 52857), (763, 37755), (839, 34335), (981, 29365), (1635, 17619), (2289, 12585), (2517, 11445), (3815, 7551), (4195, 6867), (4905, 5873)]