208857279

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{4799}}^1$

素因数の和:5054

約数の個数: 16

約数和(自身を含む): 283392000

約数和(自身を除く): 74534721

約数列:

[1, 3, 89, 163, 267, 489, 4799, 14397, 14507, 43521, 427111, 782237, 1281333, 2346711, 69619093, 208857279]

約数ペア:

[(1, 208857279), (3, 69619093), (89, 2346711), (163, 1281333), (267, 782237), (489, 427111), (4799, 43521), (14397, 14507)]