2657739

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6661}}^1$

素因数の和:6690

約数の個数: 16

約数和(自身を含む): 4263680

約数和(自身を除く): 1605941

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 6661, 19983, 46627, 126559, 139881, 379677, 885913, 2657739]

約数ペア:

[(1, 2657739), (3, 885913), (7, 379677), (19, 139881), (21, 126559), (57, 46627), (133, 19983), (399, 6661)]