28904337

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13903}}^1$

素因数の和:13930

約数の個数: 32

約数和(自身を含む): 53391360

約数和(自身を除く): 24487023

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 13903, 41709, 97321, 125127, 152933, 291963, 375381, 458799, 875889, 1070531, 1376397, 2627667, 3211593, 4129191, 9634779, 28904337]

約数ペア:

[(1, 28904337), (3, 9634779), (7, 4129191), (9, 3211593), (11, 2627667), (21, 1376397), (27, 1070531), (33, 875889), (63, 458799), (77, 375381), (99, 291963), (189, 152933), (231, 125127), (297, 97321), (693, 41709), (2079, 13903)]