27996815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{72719}}^1$

素因数の和:72742

約数の個数: 16

約数和(自身を含む): 41886720

約数和(自身を除く): 13889905

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 72719, 363595, 509033, 799909, 2545165, 3999545, 5599363, 27996815]

約数ペア:

[(1, 27996815), (5, 5599363), (7, 3999545), (11, 2545165), (35, 799909), (55, 509033), (77, 363595), (385, 72719)]