28826721

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41597}}^1$

素因数の和:41621

約数の個数: 24

約数和(自身を含む): 51914304

約数和(自身を除く): 23087583

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 41597, 124791, 291179, 374373, 457567, 873537, 1372701, 2620611, 3202969, 4118103, 9608907, 28826721]

約数ペア:

[(1, 28826721), (3, 9608907), (7, 4118103), (9, 3202969), (11, 2620611), (21, 1372701), (33, 873537), (63, 457567), (77, 374373), (99, 291179), (231, 124791), (693, 41597)]