31613127

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2693}}^1$

素因数の和:2759

約数の個数: 32

約数和(自身を含む): 53104128

約数和(自身を除く): 21491001

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 2693, 3913, 8079, 11739, 18851, 35009, 56553, 105027, 115799, 245063, 347397, 735189, 810593, 1505387, 2431779, 4516161, 10537709, 31613127]

約数ペア:

[(1, 31613127), (3, 10537709), (7, 4516161), (13, 2431779), (21, 1505387), (39, 810593), (43, 735189), (91, 347397), (129, 245063), (273, 115799), (301, 105027), (559, 56553), (903, 35009), (1677, 18851), (2693, 11739), (3913, 8079)]