12212181

素因数分解:

$3^3\times {\mathrm{443}}^1\times {\mathrm{1021}}^1$

素因数の和:1473

約数の個数: 16

約数和(自身を含む): 18150720

約数和(自身を除く): 5938539

約数列:

[1, 3, 9, 27, 443, 1021, 1329, 3063, 3987, 9189, 11961, 27567, 452303, 1356909, 4070727, 12212181]

約数ペア:

[(1, 12212181), (3, 4070727), (9, 1356909), (27, 452303), (443, 27567), (1021, 11961), (1329, 9189), (3063, 3987)]