67181781

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{22643}}^1$

素因数の和:22712

約数の個数: 16

約数和(自身を含む): 95648256

約数和(自身を除く): 28466475

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 22643, 67929, 520789, 973649, 1562367, 2920947, 22393927, 67181781]

約数ペア:

[(1, 67181781), (3, 22393927), (23, 2920947), (43, 1562367), (69, 973649), (129, 520789), (989, 67929), (2967, 22643)]