856557939

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{40771}}^1$

素因数の和:40970

約数の個数: 16

約数和(自身を含む): 1174233600

約数和(自身を除く): 317675661

約数列:

[1, 3, 47, 141, 149, 447, 7003, 21009, 40771, 122313, 1916237, 5748711, 6074879, 18224637, 285519313, 856557939]

約数ペア:

[(1, 856557939), (3, 285519313), (47, 18224637), (141, 6074879), (149, 5748711), (447, 1916237), (7003, 122313), (21009, 40771)]