11919411

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1381}}^1$

素因数の和:1531

約数の個数: 24

約数和(自身を含む): 19834464

約数和(自身を除く): 7915053

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 1381, 2877, 4143, 8631, 9667, 12429, 29001, 87003, 189197, 567591, 1324379, 1702773, 3973137, 11919411]

約数ペア:

[(1, 11919411), (3, 3973137), (7, 1702773), (9, 1324379), (21, 567591), (63, 189197), (137, 87003), (411, 29001), (959, 12429), (1233, 9667), (1381, 8631), (2877, 4143)]