31638717

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1709}}^1$

素因数の和:1754

約数の個数: 36

約数和(自身を含む): 53218620

約数和(自身を除く): 21579903

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 121, 153, 187, 363, 561, 1089, 1683, 1709, 2057, 5127, 6171, 15381, 18513, 18799, 29053, 56397, 87159, 169191, 206789, 261477, 319583, 620367, 958749, 1861101, 2876247, 3515413, 10546239, 31638717]

約数ペア:

[(1, 31638717), (3, 10546239), (9, 3515413), (11, 2876247), (17, 1861101), (33, 958749), (51, 620367), (99, 319583), (121, 261477), (153, 206789), (187, 169191), (363, 87159), (561, 56397), (1089, 29053), (1683, 18799), (1709, 18513), (2057, 15381), (5127, 6171)]