219330727

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{18143}}^1$

素因数の和:18318

約数の個数: 16

約数和(自身を含む): 275208192

約数和(自身を除く): 55877465

約数列:

[1, 7, 11, 77, 157, 1099, 1727, 12089, 18143, 127001, 199573, 1397011, 2848451, 19939157, 31332961, 219330727]

約数ペア:

[(1, 219330727), (7, 31332961), (11, 19939157), (77, 2848451), (157, 1397011), (1099, 199573), (1727, 127001), (12089, 18143)]