6687891

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1279}}^1$

素因数の和:1375

約数の個数: 24

約数和(自身を含む): 11182080

約数和(自身を除く): 4494189

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1279, 1743, 3837, 5229, 8953, 11511, 26859, 80577, 106157, 318471, 743099, 955413, 2229297, 6687891]

約数ペア:

[(1, 6687891), (3, 2229297), (7, 955413), (9, 743099), (21, 318471), (63, 106157), (83, 80577), (249, 26859), (581, 11511), (747, 8953), (1279, 5229), (1743, 3837)]