31439529

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2861}}^1$

素因数の和:2918

約数の個数: 32

約数和(自身を含む): 52202880

約数和(自身を除く): 20763351

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 2861, 3663, 8583, 10989, 25749, 31471, 77247, 94413, 105857, 283239, 317571, 849717, 952713, 1164427, 2858139, 3493281, 10479843, 31439529]

約数ペア:

[(1, 31439529), (3, 10479843), (9, 3493281), (11, 2858139), (27, 1164427), (33, 952713), (37, 849717), (99, 317571), (111, 283239), (297, 105857), (333, 94413), (407, 77247), (999, 31471), (1221, 25749), (2861, 10989), (3663, 8583)]