28439019

素因数分解:

$3^6\times 7^1\times {\mathrm{5573}}^1$

素因数の和:5598

約数の個数: 28

約数和(自身を含む): 48739056

約数和(自身を除く): 20300037

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 5573, 16719, 39011, 50157, 117033, 150471, 351099, 451413, 1053297, 1354239, 3159891, 4062717, 9479673, 28439019]

約数ペア:

[(1, 28439019), (3, 9479673), (7, 4062717), (9, 3159891), (21, 1354239), (27, 1053297), (63, 451413), (81, 351099), (189, 150471), (243, 117033), (567, 50157), (729, 39011), (1701, 16719), (5103, 5573)]