2748339

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 4852224

約数和(自身を除く): 2103885

約数列:

[1, 3, 9, 11, 17, 23, 33, 51, 69, 71, 99, 153, 187, 207, 213, 253, 391, 561, 639, 759, 781, 1173, 1207, 1633, 1683, 2277, 2343, 3519, 3621, 4301, 4899, 7029, 10863, 12903, 13277, 14697, 17963, 27761, 38709, 39831, 53889, 83283, 119493, 161667, 249849, 305371, 916113, 2748339]

約数ペア:

[(1, 2748339), (3, 916113), (9, 305371), (11, 249849), (17, 161667), (23, 119493), (33, 83283), (51, 53889), (69, 39831), (71, 38709), (99, 27761), (153, 17963), (187, 14697), (207, 13277), (213, 12903), (253, 10863), (391, 7029), (561, 4899), (639, 4301), (759, 3621), (781, 3519), (1173, 2343), (1207, 2277), (1633, 1683)]