28701723

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21893}}^1$

素因数の和:21938

約数の個数: 16

約数和(自身を含む): 42036480

約数和(自身を除く): 13334757

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 21893, 65679, 415967, 503539, 1247901, 1510617, 9567241, 28701723]

約数ペア:

[(1, 28701723), (3, 9567241), (19, 1510617), (23, 1247901), (57, 503539), (69, 415967), (437, 65679), (1311, 21893)]