289341423

素因数分解:

$3^3\times 7^3\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 505600000

約数和(自身を除く): 216258577

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 157, 189, 199, 343, 441, 471, 597, 1029, 1099, 1323, 1393, 1413, 1791, 3087, 3297, 4179, 4239, 5373, 7693, 9261, 9751, 9891, 12537, 23079, 29253, 29673, 31243, 37611, 53851, 68257, 69237, 87759, 93729, 161553, 204771, 207711, 218701, 263277, 281187, 484659, 614313, 656103, 843561, 1453977, 1530907, 1842939, 1968309, 4592721, 5904927, 10716349, 13778163, 32149047, 41334489, 96447141, 289341423]

約数ペア:

[(1, 289341423), (3, 96447141), (7, 41334489), (9, 32149047), (21, 13778163), (27, 10716349), (49, 5904927), (63, 4592721), (147, 1968309), (157, 1842939), (189, 1530907), (199, 1453977), (343, 843561), (441, 656103), (471, 614313), (597, 484659), (1029, 281187), (1099, 263277), (1323, 218701), (1393, 207711), (1413, 204771), (1791, 161553), (3087, 93729), (3297, 87759), (4179, 69237), (4239, 68257), (5373, 53851), (7693, 37611), (9261, 31243), (9751, 29673), (9891, 29253), (12537, 23079)]