81773025

素因数分解:

$3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{6689}}^1$

素因数の和:6865

約数の個数: 24

約数和(自身を含む): 136047840

約数和(自身を除く): 54274815

約数列:

[1, 3, 5, 15, 25, 75, 163, 489, 815, 2445, 4075, 6689, 12225, 20067, 33445, 100335, 167225, 501675, 1090307, 3270921, 5451535, 16354605, 27257675, 81773025]

約数ペア:

[(1, 81773025), (3, 27257675), (5, 16354605), (15, 5451535), (25, 3270921), (75, 1090307), (163, 501675), (489, 167225), (815, 100335), (2445, 33445), (4075, 20067), (6689, 12225)]