81742269

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{90523}}^1$

素因数の和:90576

約数の個数: 16

約数和(自身を含む): 127457792

約数和(自身を除く): 45715523

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 90523, 271569, 633661, 1900983, 3892489, 11677467, 27247423, 81742269]

約数ペア:

[(1, 81742269), (3, 27247423), (7, 11677467), (21, 3892489), (43, 1900983), (129, 633661), (301, 271569), (903, 90523)]