13680321

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{613}}^1$

素因数の和:832

約数の個数: 16

約数和(自身を含む): 18803136

約数和(自身を除く): 5122815

約数列:

[1, 3, 43, 129, 173, 519, 613, 1839, 7439, 22317, 26359, 79077, 106049, 318147, 4560107, 13680321]

約数ペア:

[(1, 13680321), (3, 4560107), (43, 318147), (129, 106049), (173, 79077), (519, 26359), (613, 22317), (1839, 7439)]