2545245

素因数分解:

$3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 4451616

約数和(自身を除く): 1906371

約数列:

[1, 3, 5, 9, 15, 45, 163, 347, 489, 815, 1041, 1467, 1735, 2445, 3123, 5205, 7335, 15615, 56561, 169683, 282805, 509049, 848415, 2545245]

約数ペア:

[(1, 2545245), (3, 848415), (5, 509049), (9, 282805), (15, 169683), (45, 56561), (163, 15615), (347, 7335), (489, 5205), (815, 3123), (1041, 2445), (1467, 1735)]