728937

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 1185600

約数和(自身を除く): 456663

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 199, 333, 407, 597, 1221, 1791, 2189, 3663, 6567, 7363, 19701, 22089, 66267, 80993, 242979, 728937]

約数ペア:

[(1, 728937), (3, 242979), (9, 80993), (11, 66267), (33, 22089), (37, 19701), (99, 7363), (111, 6567), (199, 3663), (333, 2189), (407, 1791), (597, 1221)]