201854943

素因数分解:

$3^3\times {\mathrm{37}}^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 316968960

約数和(自身を除く): 115114017

約数列:

[1, 3, 9, 27, 37, 43, 111, 127, 129, 333, 381, 387, 999, 1143, 1161, 1369, 1591, 3429, 4107, 4699, 4773, 5461, 12321, 14097, 14319, 16383, 36963, 42291, 42957, 49149, 58867, 126873, 147447, 173863, 176601, 202057, 521589, 529803, 606171, 1564767, 1589409, 1818513, 4694301, 5455539, 7476109, 22428327, 67284981, 201854943]

約数ペア:

[(1, 201854943), (3, 67284981), (9, 22428327), (27, 7476109), (37, 5455539), (43, 4694301), (111, 1818513), (127, 1589409), (129, 1564767), (333, 606171), (381, 529803), (387, 521589), (999, 202057), (1143, 176601), (1161, 173863), (1369, 147447), (1591, 126873), (3429, 58867), (4107, 49149), (4699, 42957), (4773, 42291), (5461, 36963), (12321, 16383), (14097, 14319)]