81829979

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{55933}}^1$

素因数の和:55970

約数の個数: 16

約数和(自身を含む): 107393280

約数和(自身を除く): 25563301

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 55933, 391531, 615263, 1062727, 4306841, 7439089, 11689997, 81829979]

約数ペア:

[(1, 81829979), (7, 11689997), (11, 7439089), (19, 4306841), (77, 1062727), (133, 615263), (209, 391531), (1463, 55933)]