23987887

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 30507008

約数和(自身を除く): 6519121

約数列:

[1, 7, 11, 77, 121, 127, 223, 847, 889, 1397, 1561, 2453, 9779, 15367, 17171, 26983, 28321, 107569, 188881, 198247, 311531, 2180717, 3426841, 23987887]

約数ペア:

[(1, 23987887), (7, 3426841), (11, 2180717), (77, 311531), (121, 198247), (127, 188881), (223, 107569), (847, 28321), (889, 26983), (1397, 17171), (1561, 15367), (2453, 9779)]