855057

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2143}}^1$

素因数の和:2172

約数の個数: 16

約数和(自身を含む): 1372160

約数和(自身を除く): 517103

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 2143, 6429, 15001, 40717, 45003, 122151, 285019, 855057]

約数ペア:

[(1, 855057), (3, 285019), (7, 122151), (19, 45003), (21, 40717), (57, 15001), (133, 6429), (399, 2143)]