1961187

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:730

約数の個数: 16

約数和(自身を含む): 2796288

約数和(自身を除く): 835101

約数列:

[1, 3, 23, 43, 69, 129, 661, 989, 1983, 2967, 15203, 28423, 45609, 85269, 653729, 1961187]

約数ペア:

[(1, 1961187), (3, 653729), (23, 85269), (43, 45609), (69, 28423), (129, 15203), (661, 2967), (989, 1983)]