18966447

素因数分解:

$3^3\times {\mathrm{181}}^1\times {\mathrm{3881}}^1$

素因数の和:4071

約数の個数: 16

約数和(自身を含む): 28260960

約数和(自身を除く): 9294513

約数列:

[1, 3, 9, 27, 181, 543, 1629, 3881, 4887, 11643, 34929, 104787, 702461, 2107383, 6322149, 18966447]

約数ペア:

[(1, 18966447), (3, 6322149), (9, 2107383), (27, 702461), (181, 104787), (543, 34929), (1629, 11643), (3881, 4887)]