81220909

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{36373}}^1$

素因数の和:36420

約数の個数: 16

約数和(自身を含む): 104757120

約数和(自身を除く): 23536211

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 36373, 254611, 400103, 1054817, 2800721, 7383719, 11602987, 81220909]

約数ペア:

[(1, 81220909), (7, 11602987), (11, 7383719), (29, 2800721), (77, 1054817), (203, 400103), (319, 254611), (2233, 36373)]