28587225

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{5689}}^1$

素因数の和:5769

約数の個数: 24

約数和(自身を含む): 47978080

約数和(自身を除く): 19390855

約数列:

[1, 3, 5, 15, 25, 67, 75, 201, 335, 1005, 1675, 5025, 5689, 17067, 28445, 85335, 142225, 381163, 426675, 1143489, 1905815, 5717445, 9529075, 28587225]

約数ペア:

[(1, 28587225), (3, 9529075), (5, 5717445), (15, 1905815), (25, 1143489), (67, 426675), (75, 381163), (201, 142225), (335, 85335), (1005, 28445), (1675, 17067), (5025, 5689)]