28765725

素因数分解:

$3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{4621}}^1$

素因数の和:4717

約数の個数: 24

約数和(自身を含む): 48142752

約数和(自身を除く): 19377027

約数列:

[1, 3, 5, 15, 25, 75, 83, 249, 415, 1245, 2075, 4621, 6225, 13863, 23105, 69315, 115525, 346575, 383543, 1150629, 1917715, 5753145, 9588575, 28765725]

約数ペア:

[(1, 28765725), (3, 9588575), (5, 5753145), (15, 1917715), (25, 1150629), (75, 383543), (83, 346575), (249, 115525), (415, 69315), (1245, 23105), (2075, 13863), (4621, 6225)]