27408591

素因数分解:

$3^3\times 7^2\times {\mathrm{20717}}^1$

素因数の和:20740

約数の個数: 24

約数和(自身を含む): 47237040

約数和(自身を除く): 19828449

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 20717, 62151, 145019, 186453, 435057, 559359, 1015133, 1305171, 3045399, 3915513, 9136197, 27408591]

約数ペア:

[(1, 27408591), (3, 9136197), (7, 3915513), (9, 3045399), (21, 1305171), (27, 1015133), (49, 559359), (63, 435057), (147, 186453), (189, 145019), (441, 62151), (1323, 20717)]