81649631

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{87701}}^1$

素因数の和:87734

約数の個数: 12

約数和(自身を含む): 99980280

約数和(自身を除く): 18330649

約数列:

[1, 7, 19, 49, 133, 931, 87701, 613907, 1666319, 4297349, 11664233, 81649631]

約数ペア:

[(1, 81649631), (7, 11664233), (19, 4297349), (49, 1666319), (133, 613907), (931, 87701)]