2790697

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{337}}^1$

素因数の和:377

約数の個数: 18

約数和(自身を含む): 3525678

約数和(自身を除く): 734981

約数列:

[1, 7, 13, 49, 91, 169, 337, 637, 1183, 2359, 4381, 8281, 16513, 30667, 56953, 214669, 398671, 2790697]

約数ペア:

[(1, 2790697), (7, 398671), (13, 214669), (49, 56953), (91, 30667), (169, 16513), (337, 8281), (637, 4381), (1183, 2359)]