890666523

素因数分解:

$3^4\times {\mathrm{691}}^1\times {\mathrm{15913}}^1$

素因数の和:16616

約数の個数: 20

約数和(自身を含む): 1332511048

約数和(自身を除く): 441844525

約数列:

[1, 3, 9, 27, 81, 691, 2073, 6219, 15913, 18657, 47739, 55971, 143217, 429651, 1288953, 10995883, 32987649, 98962947, 296888841, 890666523]

約数ペア:

[(1, 890666523), (3, 296888841), (9, 98962947), (27, 32987649), (81, 10995883), (691, 1288953), (2073, 429651), (6219, 143217), (15913, 55971), (18657, 47739)]