15989481

素因数分解:

$3^4\times {\mathrm{307}}^1\times {\mathrm{643}}^1$

素因数の和:962

約数の個数: 20

約数和(自身を含む): 24000592

約数和(自身を除く): 8011111

約数列:

[1, 3, 9, 27, 81, 307, 643, 921, 1929, 2763, 5787, 8289, 17361, 24867, 52083, 197401, 592203, 1776609, 5329827, 15989481]

約数ペア:

[(1, 15989481), (3, 5329827), (9, 1776609), (27, 592203), (81, 197401), (307, 52083), (643, 24867), (921, 17361), (1929, 8289), (2763, 5787)]