208090869

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{27449}}^1$

素因数の和:27497

約数の個数: 24

約数和(自身を含む): 334670400

約数和(自身を除く): 126579531

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 7581, 27449, 82347, 192143, 521531, 576429, 1564593, 3650717, 9909089, 10952151, 29727267, 69363623, 208090869]

約数ペア:

[(1, 208090869), (3, 69363623), (7, 29727267), (19, 10952151), (21, 9909089), (57, 3650717), (133, 1564593), (361, 576429), (399, 521531), (1083, 192143), (2527, 82347), (7581, 27449)]