81402013

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{3137}}^1$

素因数の和:3492

約数の個数: 16

約数和(自身を含む): 101821824

約数和(自身を除く): 20419811

約数列:

[1, 7, 11, 77, 337, 2359, 3137, 3707, 21959, 25949, 34507, 241549, 1057169, 7400183, 11628859, 81402013]

約数ペア:

[(1, 81402013), (7, 11628859), (11, 7400183), (77, 1057169), (337, 241549), (2359, 34507), (3137, 25949), (3707, 21959)]