128508321

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{3931}}^1$

素因数の和:4592

約数の個数: 16

約数和(自身を含む): 181752768

約数和(自身を除く): 53244447

約数列:

[1, 3, 17, 51, 641, 1923, 3931, 10897, 11793, 32691, 66827, 200481, 2519771, 7559313, 42836107, 128508321]

約数ペア:

[(1, 128508321), (3, 42836107), (17, 7559313), (51, 2519771), (641, 200481), (1923, 66827), (3931, 32691), (10897, 11793)]