18321957

素因数分解:

$3^6\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:672

約数の個数: 28

約数和(自身を含む): 28186284

約数和(自身を除く): 9864327

約数列:

[1, 3, 9, 27, 41, 81, 123, 243, 369, 613, 729, 1107, 1839, 3321, 5517, 9963, 16551, 25133, 29889, 49653, 75399, 148959, 226197, 446877, 678591, 2035773, 6107319, 18321957]

約数ペア:

[(1, 18321957), (3, 6107319), (9, 2035773), (27, 678591), (41, 446877), (81, 226197), (123, 148959), (243, 75399), (369, 49653), (613, 29889), (729, 25133), (1107, 16551), (1839, 9963), (3321, 5517)]