99905555

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{3343}}^1$

素因数の和:3530

約数の個数: 16

約数和(自身を含む): 123594240

約数和(自身を除く): 23688685

約数列:

[1, 5, 43, 139, 215, 695, 3343, 5977, 16715, 29885, 143749, 464677, 718745, 2323385, 19981111, 99905555]

約数ペア:

[(1, 99905555), (5, 19981111), (43, 2323385), (139, 718745), (215, 464677), (695, 143749), (3343, 29885), (5977, 16715)]