28643715

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7669}}^1$

素因数の和:7763

約数の個数: 24

約数和(自身を含む): 50253840

約数和(自身を除く): 21610125

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 7669, 23007, 38345, 69021, 115035, 345105, 636527, 1909581, 3182635, 5728743, 9547905, 28643715]

約数ペア:

[(1, 28643715), (3, 9547905), (5, 5728743), (9, 3182635), (15, 1909581), (45, 636527), (83, 345105), (249, 115035), (415, 69021), (747, 38345), (1245, 23007), (3735, 7669)]