7784343

素因数分解:

$3^4\times 7^1\times {\mathrm{13729}}^1$

素因数の和:13748

約数の個数: 20

約数和(自身を含む): 13290640

約数和(自身を除く): 5506297

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 13729, 41187, 96103, 123561, 288309, 370683, 864927, 1112049, 2594781, 7784343]

約数ペア:

[(1, 7784343), (3, 2594781), (7, 1112049), (9, 864927), (21, 370683), (27, 288309), (63, 123561), (81, 96103), (189, 41187), (567, 13729)]