87815189

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1021}}^1\times {\mathrm{1117}}^1$

素因数の和:2156

約数の個数: 16

約数和(自身を含む): 109689216

約数和(自身を除く): 21874027

約数列:

[1, 7, 11, 77, 1021, 1117, 7147, 7819, 11231, 12287, 78617, 86009, 1140457, 7983199, 12545027, 87815189]

約数ペア:

[(1, 87815189), (7, 12545027), (11, 7983199), (77, 1140457), (1021, 86009), (1117, 78617), (7147, 12287), (7819, 11231)]