18820125

素因数分解:

$3^2\times 5^3\times {\mathrm{16729}}^1$

素因数の和:16750

約数の個数: 24

約数和(自身を含む): 33928440

約数和(自身を除く): 15108315

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 16729, 50187, 83645, 150561, 250935, 418225, 752805, 1254675, 2091125, 3764025, 6273375, 18820125]

約数ペア:

[(1, 18820125), (3, 6273375), (5, 3764025), (9, 2091125), (15, 1254675), (25, 752805), (45, 418225), (75, 250935), (125, 150561), (225, 83645), (375, 50187), (1125, 16729)]