66887919

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{24691}}^1$

素因数の和:24747

約数の個数: 24

約数和(自身を含む): 112990592

約数和(自身を除く): 46102673

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 24691, 74073, 172837, 222219, 518511, 1061713, 1555533, 3185139, 7431991, 9555417, 22295973, 66887919]

約数ペア:

[(1, 66887919), (3, 22295973), (7, 9555417), (9, 7431991), (21, 3185139), (43, 1555533), (63, 1061713), (129, 518511), (301, 222219), (387, 172837), (903, 74073), (2709, 24691)]