27680691

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2411}}^1$

素因数の和:2546

約数の個数: 16

約数和(自身を含む): 38206080

約数和(自身を除く): 10525389

約数列:

[1, 3, 43, 89, 129, 267, 2411, 3827, 7233, 11481, 103673, 214579, 311019, 643737, 9226897, 27680691]

約数ペア:

[(1, 27680691), (3, 9226897), (43, 643737), (89, 311019), (129, 214579), (267, 103673), (2411, 11481), (3827, 7233)]