2521287

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{1831}}^1$

素因数の和:1860

約数の個数: 20

約数和(自身を含む): 3990096

約数和(自身を除く): 1468809

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 1831, 5493, 16479, 31127, 49437, 93381, 148311, 280143, 840429, 2521287]

約数ペア:

[(1, 2521287), (3, 840429), (9, 280143), (17, 148311), (27, 93381), (51, 49437), (81, 31127), (153, 16479), (459, 5493), (1377, 1831)]