28431333

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{7649}}^1$

素因数の和:7721

約数の個数: 24

約数和(自身を含む): 47736000

約数和(自身を除く): 19304667

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 7649, 22947, 53543, 68841, 160629, 451291, 481887, 1353873, 3159037, 4061619, 9477111, 28431333]

約数ペア:

[(1, 28431333), (3, 9477111), (7, 4061619), (9, 3159037), (21, 1353873), (59, 481887), (63, 451291), (177, 160629), (413, 68841), (531, 53543), (1239, 22947), (3717, 7649)]