87066987

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{218213}}^1$

素因数の和:218242

約数の個数: 16

約数和(自身を含む): 139656960

約数和(自身を除く): 52589973

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 218213, 654639, 1527491, 4146047, 4582473, 12438141, 29022329, 87066987]

約数ペア:

[(1, 87066987), (3, 29022329), (7, 12438141), (19, 4582473), (21, 4146047), (57, 1527491), (133, 654639), (399, 218213)]