19911123

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{32063}}^1$

素因数の和:32095

約数の個数: 16

約数和(自身を含む): 30781440

約数和(自身を除く): 10870317

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 32063, 96189, 288567, 737449, 865701, 2212347, 6637041, 19911123]

約数ペア:

[(1, 19911123), (3, 6637041), (9, 2212347), (23, 865701), (27, 737449), (69, 288567), (207, 96189), (621, 32063)]