55188513

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{28789}}^1$

素因数の和:28869

約数の個数: 16

約数和(自身を含む): 82915200

約数和(自身を除く): 27726687

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 28789, 86367, 259101, 777303, 2044019, 6132057, 18396171, 55188513]

約数ペア:

[(1, 55188513), (3, 18396171), (9, 6132057), (27, 2044019), (71, 777303), (213, 259101), (639, 86367), (1917, 28789)]