12666699

素因数分解:

$3^4\times {\mathrm{353}}^1\times {\mathrm{443}}^1$

素因数の和:808

約数の個数: 20

約数和(自身を含む): 19018296

約数和(自身を除く): 6351597

約数列:

[1, 3, 9, 27, 81, 353, 443, 1059, 1329, 3177, 3987, 9531, 11961, 28593, 35883, 156379, 469137, 1407411, 4222233, 12666699]

約数ペア:

[(1, 12666699), (3, 4222233), (9, 1407411), (27, 469137), (81, 156379), (353, 35883), (443, 28593), (1059, 11961), (1329, 9531), (3177, 3987)]