31365257

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1997

約数の個数: 24

約数和(自身を含む): 41496000

約数和(自身を除く): 10130743

約数列:

[1, 7, 11, 19, 77, 121, 133, 209, 847, 1463, 1949, 2299, 13643, 16093, 21439, 37031, 150073, 235829, 259217, 407341, 1650803, 2851387, 4480751, 31365257]

約数ペア:

[(1, 31365257), (7, 4480751), (11, 2851387), (19, 1650803), (77, 407341), (121, 259217), (133, 235829), (209, 150073), (847, 37031), (1463, 21439), (1949, 16093), (2299, 13643)]