28278495

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{839}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 28330785

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 107, 315, 321, 535, 749, 839, 963, 1605, 2247, 2517, 3745, 4195, 4815, 5873, 6741, 7551, 11235, 12585, 17619, 29365, 33705, 37755, 52857, 88095, 89773, 264285, 269319, 448865, 628411, 807957, 1346595, 1885233, 3142055, 4039785, 5655699, 9426165, 28278495]

約数ペア:

[(1, 28278495), (3, 9426165), (5, 5655699), (7, 4039785), (9, 3142055), (15, 1885233), (21, 1346595), (35, 807957), (45, 628411), (63, 448865), (105, 269319), (107, 264285), (315, 89773), (321, 88095), (535, 52857), (749, 37755), (839, 33705), (963, 29365), (1605, 17619), (2247, 12585), (2517, 11235), (3745, 7551), (4195, 6741), (4815, 5873)]