28080309

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21419}}^1$

素因数の和:21464

約数の個数: 16

約数和(自身を含む): 41126400

約数和(自身を除く): 13046091

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 21419, 64257, 406961, 492637, 1220883, 1477911, 9360103, 28080309]

約数ペア:

[(1, 28080309), (3, 9360103), (19, 1477911), (23, 1220883), (57, 492637), (69, 406961), (437, 64257), (1311, 21419)]