16956891

素因数分解:

$3^3\times 7^3\times {\mathrm{1831}}^1$

素因数の和:1861

約数の個数: 32

約数和(自身を含む): 29312000

約数和(自身を除く): 12355109

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1323, 1831, 3087, 5493, 9261, 12817, 16479, 38451, 49437, 89719, 115353, 269157, 346059, 628033, 807471, 1884099, 2422413, 5652297, 16956891]

約数ペア:

[(1, 16956891), (3, 5652297), (7, 2422413), (9, 1884099), (21, 807471), (27, 628033), (49, 346059), (63, 269157), (147, 115353), (189, 89719), (343, 49437), (441, 38451), (1029, 16479), (1323, 12817), (1831, 9261), (3087, 5493)]