384392211

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{19661}}^1$

素因数の和:19704

約数の個数: 32

約数和(自身を含む): 629184000

約数和(自身を除く): 244791789

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 1029, 2793, 6517, 19551, 19661, 58983, 137627, 373559, 412881, 963389, 1120677, 2614913, 2890167, 6743723, 7844739, 18304391, 20231169, 54913173, 128130737, 384392211]

約数ペア:

[(1, 384392211), (3, 128130737), (7, 54913173), (19, 20231169), (21, 18304391), (49, 7844739), (57, 6743723), (133, 2890167), (147, 2614913), (343, 1120677), (399, 963389), (931, 412881), (1029, 373559), (2793, 137627), (6517, 58983), (19551, 19661)]