15743280021

素因数分解:

$3^1\times 7^2\times {\mathrm{107097143}}^1$

素因数の和:107097160

約数の個数: 12

約数和(自身を含む): 24418148832

約数和(自身を除く): 8674868811

約数列:

[1, 3, 7, 21, 49, 147, 107097143, 321291429, 749680001, 2249040003, 5247760007, 15743280021]

約数ペア:

[(1, 15743280021), (3, 5247760007), (7, 2249040003), (21, 749680001), (49, 321291429), (147, 107097143)]