30819225

素因数分解:

$3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{2521}}^1$

素因数の和:2697

約数の個数: 24

約数和(自身を含む): 51287392

約数和(自身を除く): 20468167

約数列:

[1, 3, 5, 15, 25, 75, 163, 489, 815, 2445, 2521, 4075, 7563, 12225, 12605, 37815, 63025, 189075, 410923, 1232769, 2054615, 6163845, 10273075, 30819225]

約数ペア:

[(1, 30819225), (3, 10273075), (5, 6163845), (15, 2054615), (25, 1232769), (75, 410923), (163, 189075), (489, 63025), (815, 37815), (2445, 12605), (2521, 12225), (4075, 7563)]