31687371

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2917}}^1$

素因数の和:3011

約数の個数: 24

約数和(自身を含む): 49162464

約数和(自身を除く): 17475093

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 2917, 3621, 8751, 10863, 26253, 49589, 148767, 207107, 446301, 621321, 1863963, 3520819, 10562457, 31687371]

約数ペア:

[(1, 31687371), (3, 10562457), (9, 3520819), (17, 1863963), (51, 621321), (71, 446301), (153, 207107), (213, 148767), (639, 49589), (1207, 26253), (2917, 10863), (3621, 8751)]