12665727

素因数分解:

$3^4\times {\mathrm{271}}^1\times {\mathrm{577}}^1$

素因数の和:860

約数の個数: 20

約数和(自身を含む): 19023136

約数和(自身を除く): 6357409

約数列:

[1, 3, 9, 27, 81, 271, 577, 813, 1731, 2439, 5193, 7317, 15579, 21951, 46737, 156367, 469101, 1407303, 4221909, 12665727]

約数ペア:

[(1, 12665727), (3, 4221909), (9, 1407303), (27, 469101), (81, 156367), (271, 46737), (577, 21951), (813, 15579), (1731, 7317), (2439, 5193)]