40989897

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18439}}^1$

素因数の和:18477

約数の個数: 24

約数和(自身を含む): 67121600

約数和(自身を除く): 26131703

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 18439, 55317, 165951, 239707, 350341, 719121, 1051023, 2157363, 3153069, 4554433, 13663299, 40989897]

約数ペア:

[(1, 40989897), (3, 13663299), (9, 4554433), (13, 3153069), (19, 2157363), (39, 1051023), (57, 719121), (117, 350341), (171, 239707), (247, 165951), (741, 55317), (2223, 18439)]