28710627

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20233}}^1$

素因数の和:20290

約数の個数: 16

約数和(自身を含む): 42734208

約数和(自身を除く): 14023581

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 20233, 60699, 222563, 667689, 870019, 2610057, 9570209, 28710627]

約数ペア:

[(1, 28710627), (3, 9570209), (11, 2610057), (33, 870019), (43, 667689), (129, 222563), (473, 60699), (1419, 20233)]