6647739

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16661}}^1$

素因数の和:16690

約数の個数: 16

約数和(自身を含む): 10663680

約数和(自身を除く): 4015941

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 16661, 49983, 116627, 316559, 349881, 949677, 2215913, 6647739]

約数ペア:

[(1, 6647739), (3, 2215913), (7, 949677), (19, 349881), (21, 316559), (57, 116627), (133, 49983), (399, 16661)]