81153825

素因数分解:

$3^1\times 5^2\times {\mathrm{907}}^1\times {\mathrm{1193}}^1$

素因数の和:2113

約数の個数: 24

約数和(自身を含む): 134434848

約数和(自身を除く): 53281023

約数列:

[1, 3, 5, 15, 25, 75, 907, 1193, 2721, 3579, 4535, 5965, 13605, 17895, 22675, 29825, 68025, 89475, 1082051, 3246153, 5410255, 16230765, 27051275, 81153825]

約数ペア:

[(1, 81153825), (3, 27051275), (5, 16230765), (15, 5410255), (25, 3246153), (75, 1082051), (907, 89475), (1193, 68025), (2721, 29825), (3579, 22675), (4535, 17895), (5965, 13605)]