28348437

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 43563520

約数和(自身を除く): 15215083

約数列:

[1, 3, 13, 19, 39, 57, 67, 201, 247, 571, 741, 871, 1273, 1713, 2613, 3819, 7423, 10849, 16549, 22269, 32547, 38257, 49647, 114771, 141037, 423111, 497341, 726883, 1492023, 2180649, 9449479, 28348437]

約数ペア:

[(1, 28348437), (3, 9449479), (13, 2180649), (19, 1492023), (39, 726883), (57, 497341), (67, 423111), (201, 141037), (247, 114771), (571, 49647), (741, 38257), (871, 32547), (1273, 22269), (1713, 16549), (2613, 10849), (3819, 7423)]