51012009

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{823}}^1$

素因数の和:997

約数の個数: 24

約数和(自身を含む): 75583872

約数和(自身を除く): 24571863

約数列:

[1, 3, 9, 71, 97, 213, 291, 639, 823, 873, 2469, 6887, 7407, 20661, 58433, 61983, 79831, 175299, 239493, 525897, 718479, 5668001, 17004003, 51012009]

約数ペア:

[(1, 51012009), (3, 17004003), (9, 5668001), (71, 718479), (97, 525897), (213, 239493), (291, 175299), (639, 79831), (823, 61983), (873, 58433), (2469, 20661), (6887, 7407)]