28168845

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 46617984

約数和(自身を除く): 18449139

約数列:

[1, 3, 5, 15, 41, 123, 163, 205, 281, 489, 615, 815, 843, 1405, 2445, 4215, 6683, 11521, 20049, 33415, 34563, 45803, 57605, 100245, 137409, 172815, 229015, 687045, 1877923, 5633769, 9389615, 28168845]

約数ペア:

[(1, 28168845), (3, 9389615), (5, 5633769), (15, 1877923), (41, 687045), (123, 229015), (163, 172815), (205, 137409), (281, 100245), (489, 57605), (615, 45803), (815, 34563), (843, 33415), (1405, 20049), (2445, 11521), (4215, 6683)]