128499225

素因数分解:

$3^1\times 5^2\times {\mathrm{907}}^1\times {\mathrm{1889}}^1$

素因数の和:2809

約数の個数: 24

約数和(自身を含む): 212798880

約数和(自身を除く): 84299655

約数列:

[1, 3, 5, 15, 25, 75, 907, 1889, 2721, 4535, 5667, 9445, 13605, 22675, 28335, 47225, 68025, 141675, 1713323, 5139969, 8566615, 25699845, 42833075, 128499225]

約数ペア:

[(1, 128499225), (3, 42833075), (5, 25699845), (15, 8566615), (25, 5139969), (75, 1713323), (907, 141675), (1889, 68025), (2721, 47225), (4535, 28335), (5667, 22675), (9445, 13605)]