1920825

素因数分解:

$3^2\times 5^2\times {\mathrm{8537}}^1$

素因数の和:8553

約数の個数: 18

約数和(自身を含む): 3440814

約数和(自身を除く): 1519989

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 8537, 25611, 42685, 76833, 128055, 213425, 384165, 640275, 1920825]

約数ペア:

[(1, 1920825), (3, 640275), (5, 384165), (9, 213425), (15, 128055), (25, 76833), (45, 42685), (75, 25611), (225, 8537)]