28287963

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 18886437

約数列:

[1, 3, 9, 11, 29, 33, 59, 87, 99, 167, 177, 261, 319, 501, 531, 649, 957, 1503, 1711, 1837, 1947, 2871, 4843, 5133, 5511, 5841, 9853, 14529, 15399, 16533, 18821, 29559, 43587, 53273, 56463, 88677, 108383, 159819, 169389, 285737, 325149, 479457, 857211, 975447, 2571633, 3143107, 9429321, 28287963]

約数ペア:

[(1, 28287963), (3, 9429321), (9, 3143107), (11, 2571633), (29, 975447), (33, 857211), (59, 479457), (87, 325149), (99, 285737), (167, 169389), (177, 159819), (261, 108383), (319, 88677), (501, 56463), (531, 53273), (649, 43587), (957, 29559), (1503, 18821), (1711, 16533), (1837, 15399), (1947, 14529), (2871, 9853), (4843, 5841), (5133, 5511)]