1972725

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{907}}^1$

素因数の和:949

約数の個数: 24

約数和(自身を含む): 3377760

約数和(自身を除く): 1405035

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 907, 2175, 2721, 4535, 13605, 22675, 26303, 68025, 78909, 131515, 394545, 657575, 1972725]

約数ペア:

[(1, 1972725), (3, 657575), (5, 394545), (15, 131515), (25, 78909), (29, 68025), (75, 26303), (87, 22675), (145, 13605), (435, 4535), (725, 2721), (907, 2175)]