1797201

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 3137280

約数和(自身を除く): 1340079

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 257, 259, 333, 771, 777, 999, 1799, 2313, 2331, 5397, 6939, 6993, 9509, 16191, 28527, 48573, 66563, 85581, 199689, 256743, 599067, 1797201]

約数ペア:

[(1, 1797201), (3, 599067), (7, 256743), (9, 199689), (21, 85581), (27, 66563), (37, 48573), (63, 28527), (111, 16191), (189, 9509), (257, 6993), (259, 6939), (333, 5397), (771, 2331), (777, 2313), (999, 1799)]