27721713

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{12641}}^1$

素因数の和:12704

約数の個数: 16

約数和(自身を含む): 40049856

約数和(自身を除く): 12328143

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 12641, 37923, 214897, 543563, 644691, 1630689, 9240571, 27721713]

約数ペア:

[(1, 27721713), (3, 9240571), (17, 1630689), (43, 644691), (51, 543563), (129, 214897), (731, 37923), (2193, 12641)]