31241727

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2843}}^1$

素因数の和:2900

約数の個数: 32

約数和(自身を含む): 51874560

約数和(自身を除く): 20632833

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 2843, 3663, 8529, 10989, 25587, 31273, 76761, 93819, 105191, 281457, 315573, 844371, 946719, 1157101, 2840157, 3471303, 10413909, 31241727]

約数ペア:

[(1, 31241727), (3, 10413909), (9, 3471303), (11, 2840157), (27, 1157101), (33, 946719), (37, 844371), (99, 315573), (111, 281457), (297, 105191), (333, 93819), (407, 76761), (999, 31273), (1221, 25587), (2843, 10989), (3663, 8529)]