81873717

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{4447}}^1$

素因数の和:4505

約数の個数: 24

約数和(自身を含む): 122017536

約数和(自身を除く): 40143819

約数列:

[1, 3, 17, 19, 51, 57, 323, 361, 969, 1083, 4447, 6137, 13341, 18411, 75599, 84493, 226797, 253479, 1436381, 1605367, 4309143, 4816101, 27291239, 81873717]

約数ペア:

[(1, 81873717), (3, 27291239), (17, 4816101), (19, 4309143), (51, 1605367), (57, 1436381), (323, 253479), (361, 226797), (969, 84493), (1083, 75599), (4447, 18411), (6137, 13341)]