1900821657

素因数分解:

$3^1\times 7^1\times {\mathrm{1129}}^1\times {\mathrm{80173}}^1$

素因数の和:81312

約数の個数: 16

約数和(自身を含む): 2899091840

約数和(自身を除く): 998270183

約数列:

[1, 3, 7, 21, 1129, 3387, 7903, 23709, 80173, 240519, 561211, 1683633, 90515317, 271545951, 633607219, 1900821657]

約数ペア:

[(1, 1900821657), (3, 633607219), (7, 271545951), (21, 90515317), (1129, 1683633), (3387, 561211), (7903, 240519), (23709, 80173)]