18069561

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{5441}}^1$

素因数の和:5494

約数の個数: 20

約数和(自身を含む): 27656244

約数和(自身を除く): 9586683

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 5441, 16323, 48969, 146907, 223081, 440721, 669243, 2007729, 6023187, 18069561]

約数ペア:

[(1, 18069561), (3, 6023187), (9, 2007729), (27, 669243), (41, 440721), (81, 223081), (123, 146907), (369, 48969), (1107, 16323), (3321, 5441)]