1388943

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:183

約数の個数: 24

約数和(自身を含む): 2130128

約数和(自身を除く): 741185

約数列:

[1, 3, 9, 37, 43, 97, 111, 129, 291, 333, 387, 873, 1591, 3589, 4171, 4773, 10767, 12513, 14319, 32301, 37539, 154327, 462981, 1388943]

約数ペア:

[(1, 1388943), (3, 462981), (9, 154327), (37, 37539), (43, 32301), (97, 14319), (111, 12513), (129, 10767), (291, 4773), (333, 4171), (387, 3589), (873, 1591)]