217545291

素因数分解:

$3^3\times {\mathrm{1019}}^1\times {\mathrm{7907}}^1$

素因数の和:8935

約数の個数: 16

約数和(自身を含む): 322646400

約数和(自身を除く): 105101109

約数列:

[1, 3, 9, 27, 1019, 3057, 7907, 9171, 23721, 27513, 71163, 213489, 8057233, 24171699, 72515097, 217545291]

約数ペア:

[(1, 217545291), (3, 72515097), (9, 24171699), (27, 8057233), (1019, 213489), (3057, 71163), (7907, 27513), (9171, 23721)]