83070639

素因数分解:

$3^2\times {\mathrm{71}}^2\times {\mathrm{1831}}^1$

素因数の和:1979

約数の個数: 18

約数和(自身を含む): 121771208

約数和(自身を除く): 38700569

約数列:

[1, 3, 9, 71, 213, 639, 1831, 5041, 5493, 15123, 16479, 45369, 130001, 390003, 1170009, 9230071, 27690213, 83070639]

約数ペア:

[(1, 83070639), (3, 27690213), (9, 9230071), (71, 1170009), (213, 390003), (639, 130001), (1831, 45369), (5041, 16479), (5493, 15123)]