18769401

素因数分解:

$3^4\times 7^2\times {\mathrm{4729}}^1$

素因数の和:4755

約数の個数: 30

約数和(自身を含む): 32622810

約数和(自身を除く): 13853409

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 4729, 14187, 33103, 42561, 99309, 127683, 231721, 297927, 383049, 695163, 893781, 2085489, 2681343, 6256467, 18769401]

約数ペア:

[(1, 18769401), (3, 6256467), (7, 2681343), (9, 2085489), (21, 893781), (27, 695163), (49, 383049), (63, 297927), (81, 231721), (147, 127683), (189, 99309), (441, 42561), (567, 33103), (1323, 14187), (3969, 4729)]