1821816899

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1\times {\mathrm{12653}}^1$

素因数の和:13034

約数の個数: 16

約数和(自身を含む): 2120203008

約数和(自身を除く): 298386109

約数列:

[1, 7, 67, 307, 469, 2149, 12653, 20569, 88571, 143983, 847751, 3884471, 5934257, 27191297, 260259557, 1821816899]

約数ペア:

[(1, 1821816899), (7, 260259557), (67, 27191297), (307, 5934257), (469, 3884471), (2149, 847751), (12653, 143983), (20569, 88571)]