28185081

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^2$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 39938976

約数和(自身を除く): 11753895

約数列:

[1, 3, 41, 43, 73, 123, 129, 219, 1763, 2993, 3139, 5289, 5329, 8979, 9417, 15987, 128699, 218489, 229147, 386097, 655467, 687441, 9395027, 28185081]

約数ペア:

[(1, 28185081), (3, 9395027), (41, 687441), (43, 655467), (73, 386097), (123, 229147), (129, 218489), (219, 128699), (1763, 15987), (2993, 9417), (3139, 8979), (5289, 5329)]