51311481

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 76083840

約数和(自身を除く): 24772359

約数列:

[1, 3, 13, 39, 67, 73, 201, 219, 269, 807, 871, 949, 2613, 2847, 3497, 4891, 10491, 14673, 18023, 19637, 54069, 58911, 63583, 190749, 234299, 255281, 702897, 765843, 1315679, 3947037, 17103827, 51311481]

約数ペア:

[(1, 51311481), (3, 17103827), (13, 3947037), (39, 1315679), (67, 765843), (73, 702897), (201, 255281), (219, 234299), (269, 190749), (807, 63583), (871, 58911), (949, 54069), (2613, 19637), (2847, 18023), (3497, 14673), (4891, 10491)]