249849

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:117

約数の個数: 24

約数和(自身を含む): 404352

約数和(自身を除く): 154503

約数列:

[1, 3, 9, 17, 23, 51, 69, 71, 153, 207, 213, 391, 639, 1173, 1207, 1633, 3519, 3621, 4899, 10863, 14697, 27761, 83283, 249849]

約数ペア:

[(1, 249849), (3, 83283), (9, 27761), (17, 14697), (23, 10863), (51, 4899), (69, 3621), (71, 3519), (153, 1633), (207, 1207), (213, 1173), (391, 639)]