28423857

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4243}}^1$

素因数の和:4293

約数の個数: 32

約数和(自身を含む): 48890880

約数和(自身を除く): 20467023

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 957, 2233, 4243, 6699, 12729, 29701, 46673, 89103, 123047, 140019, 326711, 369141, 861329, 980133, 1353517, 2583987, 4060551, 9474619, 28423857]

約数ペア:

[(1, 28423857), (3, 9474619), (7, 4060551), (11, 2583987), (21, 1353517), (29, 980133), (33, 861329), (77, 369141), (87, 326711), (203, 140019), (231, 123047), (319, 89103), (609, 46673), (957, 29701), (2233, 12729), (4243, 6699)]