12389889

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{641}}^1$

素因数の和:1040

約数の個数: 16

約数和(自身を含む): 17565120

約数和(自身を除く): 5175231

約数列:

[1, 3, 17, 51, 379, 641, 1137, 1923, 6443, 10897, 19329, 32691, 242939, 728817, 4129963, 12389889]

約数ペア:

[(1, 12389889), (3, 4129963), (17, 728817), (51, 242939), (379, 32691), (641, 19329), (1137, 10897), (1923, 6443)]