251566560021

素因数分解:

$3^1\times 7^2\times {\mathrm{1711337143}}^1$

素因数の和:1711337160

約数の個数: 12

約数和(自身を含む): 390184868832

約数和(自身を除く): 138618308811

約数列:

[1, 3, 7, 21, 49, 147, 1711337143, 5134011429, 11979360001, 35938080003, 83855520007, 251566560021]

約数ペア:

[(1, 251566560021), (3, 83855520007), (7, 35938080003), (21, 11979360001), (49, 5134011429), (147, 1711337143)]