28990899

素因数分解:

$3^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1289}}^1$

素因数の和:1329

約数の個数: 48

約数和(自身を含む): 52941600

約数和(自身を除く): 23950701

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 119, 147, 153, 189, 357, 441, 459, 833, 1071, 1289, 1323, 2499, 3213, 3867, 7497, 9023, 11601, 21913, 22491, 27069, 34803, 63161, 65739, 81207, 153391, 189483, 197217, 243621, 460173, 568449, 591651, 1073737, 1380519, 1705347, 3221211, 4141557, 9663633, 28990899]

約数ペア:

[(1, 28990899), (3, 9663633), (7, 4141557), (9, 3221211), (17, 1705347), (21, 1380519), (27, 1073737), (49, 591651), (51, 568449), (63, 460173), (119, 243621), (147, 197217), (153, 189483), (189, 153391), (357, 81207), (441, 65739), (459, 63161), (833, 34803), (1071, 27069), (1289, 22491), (1323, 21913), (2499, 11601), (3213, 9023), (3867, 7497)]