28090839

素因数分解:

$3^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{2161}}^1$

素因数の和:2790

約数の個数: 16

約数和(自身を含む): 42894080

約数和(自身を除く): 14803241

約数列:

[1, 3, 7, 21, 619, 1857, 2161, 4333, 6483, 12999, 15127, 45381, 1337659, 4012977, 9363613, 28090839]

約数ペア:

[(1, 28090839), (3, 9363613), (7, 4012977), (21, 1337659), (619, 45381), (1857, 15127), (2161, 12999), (4333, 6483)]