855547

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:330

約数の個数: 16

約数和(自身を含む): 1096704

約数和(自身を除く): 241157

約数列:

[1, 7, 11, 41, 77, 271, 287, 451, 1897, 2981, 3157, 11111, 20867, 77777, 122221, 855547]

約数ペア:

[(1, 855547), (7, 122221), (11, 77777), (41, 20867), (77, 11111), (271, 3157), (287, 2981), (451, 1897)]