18159309

素因数分解:

$3^4\times 7^1\times {\mathrm{32027}}^1$

素因数の和:32046

約数の個数: 20

約数和(自身を含む): 31003104

約数和(自身を除く): 12843795

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 32027, 96081, 224189, 288243, 672567, 864729, 2017701, 2594187, 6053103, 18159309]

約数ペア:

[(1, 18159309), (3, 6053103), (7, 2594187), (9, 2017701), (21, 864729), (27, 672567), (63, 288243), (81, 224189), (189, 96081), (567, 32027)]