51986421

素因数分解:

$3^3\times {\mathrm{263}}^1\times {\mathrm{7321}}^1$

素因数の和:7593

約数の個数: 16

約数和(自身を含む): 77320320

約数和(自身を除く): 25333899

約数列:

[1, 3, 9, 27, 263, 789, 2367, 7101, 7321, 21963, 65889, 197667, 1925423, 5776269, 17328807, 51986421]

約数ペア:

[(1, 51986421), (3, 17328807), (9, 5776269), (27, 1925423), (263, 197667), (789, 65889), (2367, 21963), (7101, 7321)]