27154345

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 33264000

約数和(自身を除く): 6109655

約数列:

[1, 5, 89, 139, 439, 445, 695, 2195, 12371, 39071, 61021, 61855, 195355, 305105, 5430869, 27154345]

約数ペア:

[(1, 27154345), (5, 5430869), (89, 305105), (139, 195355), (439, 61855), (445, 61021), (695, 39071), (2195, 12371)]