131313009

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^2\times {\mathrm{457}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 187340320

約数和(自身を除く): 56027311

約数列:

[1, 3, 19, 57, 71, 213, 457, 1349, 1371, 4047, 5041, 8683, 15123, 26049, 32447, 95779, 97341, 287337, 616493, 1849479, 2303737, 6911211, 43771003, 131313009]

約数ペア:

[(1, 131313009), (3, 43771003), (19, 6911211), (57, 2303737), (71, 1849479), (213, 616493), (457, 287337), (1349, 97341), (1371, 95779), (4047, 32447), (5041, 26049), (8683, 15123)]