31779279

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11731}}^1$

素因数の和:11787

約数の個数: 24

約数和(自身を含む): 53685632

約数和(自身を除く): 21906353

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 11731, 35193, 82117, 105579, 246351, 504433, 739053, 1513299, 3531031, 4539897, 10593093, 31779279]

約数ペア:

[(1, 31779279), (3, 10593093), (7, 4539897), (9, 3531031), (21, 1513299), (43, 739053), (63, 504433), (129, 246351), (301, 105579), (387, 82117), (903, 35193), (2709, 11731)]