28331919

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{40883}}^1$

素因数の和:40907

約数の個数: 24

約数和(自身を含む): 51023232

約数和(自身を除く): 22691313

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 40883, 122649, 286181, 367947, 449713, 858543, 1349139, 2575629, 3147991, 4047417, 9443973, 28331919]

約数ペア:

[(1, 28331919), (3, 9443973), (7, 4047417), (9, 3147991), (11, 2575629), (21, 1349139), (33, 858543), (63, 449713), (77, 367947), (99, 286181), (231, 122649), (693, 40883)]