81744225

素因数分解:

$3^1\times 5^2\times {\mathrm{199}}^1\times {\mathrm{5477}}^1$

素因数の和:5689

約数の個数: 24

約数和(自身を含む): 135854400

約数和(自身を除く): 54110175

約数列:

[1, 3, 5, 15, 25, 75, 199, 597, 995, 2985, 4975, 5477, 14925, 16431, 27385, 82155, 136925, 410775, 1089923, 3269769, 5449615, 16348845, 27248075, 81744225]

約数ペア:

[(1, 81744225), (3, 27248075), (5, 16348845), (15, 5449615), (25, 3269769), (75, 1089923), (199, 410775), (597, 136925), (995, 82155), (2985, 27385), (4975, 16431), (5477, 14925)]