31530447

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11717}}^1$

素因数の和:11759

約数の個数: 24

約数和(自身を含む): 51184224

約数和(自身を除く): 19653777

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 11717, 35151, 105453, 152321, 269491, 456963, 808473, 1370889, 2425419, 3503383, 10510149, 31530447]

約数ペア:

[(1, 31530447), (3, 10510149), (9, 3503383), (13, 2425419), (23, 1370889), (39, 808473), (69, 456963), (117, 269491), (207, 152321), (299, 105453), (897, 35151), (2691, 11717)]