28554537

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20123}}^1$

素因数の和:20180

約数の個数: 16

約数和(自身を含む): 42501888

約数和(自身を除く): 13947351

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 20123, 60369, 221353, 664059, 865289, 2595867, 9518179, 28554537]

約数ペア:

[(1, 28554537), (3, 9518179), (11, 2595867), (33, 865289), (43, 664059), (129, 221353), (473, 60369), (1419, 20123)]