28240335

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7561}}^1$

素因数の和:7655

約数の個数: 24

約数和(自身を含む): 49546224

約数和(自身を除く): 21305889

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 7561, 22683, 37805, 68049, 113415, 340245, 627563, 1882689, 3137815, 5648067, 9413445, 28240335]

約数ペア:

[(1, 28240335), (3, 9413445), (5, 5648067), (9, 3137815), (15, 1882689), (45, 627563), (83, 340245), (249, 113415), (415, 68049), (747, 37805), (1245, 22683), (3735, 7561)]