28748919

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21929}}^1$

素因数の和:21974

約数の個数: 16

約数和(自身を含む): 42105600

約数和(自身を除く): 13356681

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 21929, 65787, 416651, 504367, 1249953, 1513101, 9582973, 28748919]

約数ペア:

[(1, 28748919), (3, 9582973), (19, 1513101), (23, 1249953), (57, 504367), (69, 416651), (437, 65787), (1311, 21929)]