31639023

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15907}}^1$

素因数の和:15943

約数の個数: 24

約数和(自身を含む): 52114608

約数和(自身を除く): 20475585

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 15907, 47721, 143163, 206791, 270419, 620373, 811257, 1861119, 2433771, 3515447, 10546341, 31639023]

約数ペア:

[(1, 31639023), (3, 10546341), (9, 3515447), (13, 2433771), (17, 1861119), (39, 811257), (51, 620373), (117, 270419), (153, 206791), (221, 143163), (663, 47721), (1989, 15907)]