28209489

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4211}}^1$

素因数の和:4261

約数の個数: 32

約数和(自身を含む): 48522240

約数和(自身を除く): 20312751

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 957, 2233, 4211, 6699, 12633, 29477, 46321, 88431, 122119, 138963, 324247, 366357, 854833, 972741, 1343309, 2564499, 4029927, 9403163, 28209489]

約数ペア:

[(1, 28209489), (3, 9403163), (7, 4029927), (11, 2564499), (21, 1343309), (29, 972741), (33, 854833), (77, 366357), (87, 324247), (203, 138963), (231, 122119), (319, 88431), (609, 46321), (957, 29477), (2233, 12633), (4211, 6699)]