28206987

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{1559}}^1$

素因数の和:1762

約数の個数: 16

約数和(自身を含む): 38887680

約数和(自身を除く): 10680693

約数列:

[1, 3, 37, 111, 163, 489, 1559, 4677, 6031, 18093, 57683, 173049, 254117, 762351, 9402329, 28206987]

約数ペア:

[(1, 28206987), (3, 9402329), (37, 762351), (111, 254117), (163, 173049), (489, 57683), (1559, 18093), (4677, 6031)]