18021531

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{5407}}^1$

素因数の和:5522

約数の個数: 16

約数和(自身を含む): 26477568

約数和(自身を除く): 8456037

約数列:

[1, 3, 11, 33, 101, 303, 1111, 3333, 5407, 16221, 59477, 178431, 546107, 1638321, 6007177, 18021531]

約数ペア:

[(1, 18021531), (3, 6007177), (11, 1638321), (33, 546107), (101, 178431), (303, 59477), (1111, 16221), (3333, 5407)]