28235919

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{6977}}^1$

素因数の和:7070

約数の個数: 16

約数和(自身を含む): 40193280

約数和(自身を除く): 11957361

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 6977, 20931, 132563, 397689, 495367, 1486101, 9411973, 28235919]

約数ペア:

[(1, 28235919), (3, 9411973), (19, 1486101), (57, 495367), (71, 397689), (213, 132563), (1349, 20931), (4047, 6977)]