66693473

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20143}}^1$

素因数の和:20204

約数の個数: 16

約数和(自身を含む): 85088256

約数和(自身を除く): 18394783

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 20143, 141001, 221573, 866149, 1551011, 6063043, 9527639, 66693473]

約数ペア:

[(1, 66693473), (7, 9527639), (11, 6063043), (43, 1551011), (77, 866149), (301, 221573), (473, 141001), (3311, 20143)]