1993893

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 32

約数和(自身を含む): 3151872

約数和(自身を除く): 1157979

約数列:

[1, 3, 11, 23, 33, 37, 69, 71, 111, 213, 253, 407, 759, 781, 851, 1221, 1633, 2343, 2553, 2627, 4899, 7881, 9361, 17963, 28083, 28897, 53889, 60421, 86691, 181263, 664631, 1993893]

約数ペア:

[(1, 1993893), (3, 664631), (11, 181263), (23, 86691), (33, 60421), (37, 53889), (69, 28897), (71, 28083), (111, 17963), (213, 9361), (253, 7881), (407, 4899), (759, 2627), (781, 2553), (851, 2343), (1221, 1633)]