12208887

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{7933}}^1$

素因数の和:7964

約数の個数: 20

約数和(自身を含む): 19200280

約数和(自身を除く): 6991393

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 7933, 23799, 71397, 150727, 214191, 452181, 642573, 1356543, 4069629, 12208887]

約数ペア:

[(1, 12208887), (3, 4069629), (9, 1356543), (19, 642573), (27, 452181), (57, 214191), (81, 150727), (171, 71397), (513, 23799), (1539, 7933)]