1321621

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{523}}^1$

素因数の和:568

約数の個数: 12

約数和(自身を含む): 1597152

約数和(自身を除く): 275531

約数列:

[1, 7, 19, 133, 361, 523, 2527, 3661, 9937, 69559, 188803, 1321621]

約数ペア:

[(1, 1321621), (7, 188803), (19, 69559), (133, 9937), (361, 3661), (523, 2527)]