26820171

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2161}}^1$

素因数の和:2371

約数の個数: 24

約数和(自身を含む): 44519904

約数和(自身を除く): 17699733

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 1379, 1773, 2161, 4137, 6483, 12411, 15127, 19449, 45381, 136143, 425717, 1277151, 2980019, 3831453, 8940057, 26820171]

約数ペア:

[(1, 26820171), (3, 8940057), (7, 3831453), (9, 2980019), (21, 1277151), (63, 425717), (197, 136143), (591, 45381), (1379, 19449), (1773, 15127), (2161, 12411), (4137, 6483)]