208049667

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139537}}^1$

素因数の和:139618

約数の個数: 16

約数和(自身を含む): 321495552

約数和(自身を除く): 113445885

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 139537, 418611, 976759, 2930277, 9907127, 29721381, 69349889, 208049667]

約数ペア:

[(1, 208049667), (3, 69349889), (7, 29721381), (21, 9907127), (71, 2930277), (213, 976759), (497, 418611), (1491, 139537)]