80842359

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1381}}^1$

素因数の和:1495

約数の個数: 32

約数和(自身を含む): 123827200

約数和(自身を除く): 42984841

約数列:

[1, 3, 13, 19, 39, 57, 79, 237, 247, 741, 1027, 1381, 1501, 3081, 4143, 4503, 17953, 19513, 26239, 53859, 58539, 78717, 109099, 327297, 341107, 1023321, 1418287, 2072881, 4254861, 6218643, 26947453, 80842359]

約数ペア:

[(1, 80842359), (3, 26947453), (13, 6218643), (19, 4254861), (39, 2072881), (57, 1418287), (79, 1023321), (237, 341107), (247, 327297), (741, 109099), (1027, 78717), (1381, 58539), (1501, 53859), (3081, 26239), (4143, 19513), (4503, 17953)]