7760781

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2621}}^1$

素因数の和:2681

約数の個数: 24

約数和(自身を含む): 13089024

約数和(自身を除く): 5328243

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2621, 2961, 7863, 18347, 23589, 55041, 123187, 165123, 369561, 862309, 1108683, 2586927, 7760781]

約数ペア:

[(1, 7760781), (3, 2586927), (7, 1108683), (9, 862309), (21, 369561), (47, 165123), (63, 123187), (141, 55041), (329, 23589), (423, 18347), (987, 7863), (2621, 2961)]