27784701

素因数分解:

$3^4\times 7^1\times {\mathrm{49003}}^1$

素因数の和:49022

約数の個数: 20

約数和(自身を含む): 47435872

約数和(自身を除く): 19651171

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 49003, 147009, 343021, 441027, 1029063, 1323081, 3087189, 3969243, 9261567, 27784701]

約数ペア:

[(1, 27784701), (3, 9261567), (7, 3969243), (9, 3087189), (21, 1323081), (27, 1029063), (63, 441027), (81, 343021), (189, 147009), (567, 49003)]