28542075

素因数分解:

$3^1\times 5^2\times {\mathrm{263}}^1\times {\mathrm{1447}}^1$

素因数の和:1723

約数の個数: 24

約数和(自身を含む): 47401728

約数和(自身を除く): 18859653

約数列:

[1, 3, 5, 15, 25, 75, 263, 789, 1315, 1447, 3945, 4341, 6575, 7235, 19725, 21705, 36175, 108525, 380561, 1141683, 1902805, 5708415, 9514025, 28542075]

約数ペア:

[(1, 28542075), (3, 9514025), (5, 5708415), (15, 1902805), (25, 1141683), (75, 380561), (263, 108525), (789, 36175), (1315, 21705), (1447, 19725), (3945, 7235), (4341, 6575)]