8239749

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 13409280

約数和(自身を除く): 5169531

約数列:

[1, 3, 7, 19, 21, 57, 107, 133, 193, 321, 399, 579, 749, 1351, 2033, 2247, 3667, 4053, 6099, 11001, 14231, 20651, 25669, 42693, 61953, 77007, 144557, 392369, 433671, 1177107, 2746583, 8239749]

約数ペア:

[(1, 8239749), (3, 2746583), (7, 1177107), (19, 433671), (21, 392369), (57, 144557), (107, 77007), (133, 61953), (193, 42693), (321, 25669), (399, 20651), (579, 14231), (749, 11001), (1351, 6099), (2033, 4053), (2247, 3667)]