28304073

素因数分解:

$3^4\times 7^1\times {\mathrm{49919}}^1$

素因数の和:49938

約数の個数: 20

約数和(自身を含む): 48322560

約数和(自身を除く): 20018487

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 49919, 149757, 349433, 449271, 1048299, 1347813, 3144897, 4043439, 9434691, 28304073]

約数ペア:

[(1, 28304073), (3, 9434691), (7, 4043439), (9, 3144897), (21, 1347813), (27, 1048299), (63, 449271), (81, 349433), (189, 149757), (567, 49919)]