2163981

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:452

約数の個数: 16

約数和(自身を含む): 3086208

約数和(自身を除く): 922227

約数列:

[1, 3, 17, 51, 151, 281, 453, 843, 2567, 4777, 7701, 14331, 42431, 127293, 721327, 2163981]

約数ペア:

[(1, 2163981), (3, 721327), (17, 127293), (51, 42431), (151, 14331), (281, 7701), (453, 4777), (843, 2567)]