187331319

素因数分解:

$3^3\times 7^1\times {\mathrm{991171}}^1$

素因数の和:991187

約数の個数: 16

約数和(自身を含む): 317175040

約数和(自身を除く): 129843721

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 991171, 2973513, 6938197, 8920539, 20814591, 26761617, 62443773, 187331319]

約数ペア:

[(1, 187331319), (3, 62443773), (7, 26761617), (9, 20814591), (21, 8920539), (27, 6938197), (63, 2973513), (189, 991171)]