12947121

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{1321}}^1$

素因数の和:1355

約数の個数: 30

約数和(自身を含む): 21274946

約数和(自身を除く): 8327825

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 121, 297, 363, 891, 1089, 1321, 3267, 3963, 9801, 11889, 14531, 35667, 43593, 107001, 130779, 159841, 392337, 479523, 1177011, 1438569, 4315707, 12947121]

約数ペア:

[(1, 12947121), (3, 4315707), (9, 1438569), (11, 1177011), (27, 479523), (33, 392337), (81, 159841), (99, 130779), (121, 107001), (297, 43593), (363, 35667), (891, 14531), (1089, 11889), (1321, 9801), (3267, 3963)]