211202019

素因数分解:

$3^3\times 7^1\times {\mathrm{1117471}}^1$

素因数の和:1117487

約数の個数: 16

約数和(自身を含む): 357591040

約数和(自身を除く): 146389021

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1117471, 3352413, 7822297, 10057239, 23466891, 30171717, 70400673, 211202019]

約数ペア:

[(1, 211202019), (3, 70400673), (7, 30171717), (9, 23466891), (21, 10057239), (27, 7822297), (63, 3352413), (189, 1117471)]