31131837

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2833}}^1$

素因数の和:2890

約数の個数: 32

約数和(自身を含む): 51692160

約数和(自身を除く): 20560323

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 2833, 3663, 8499, 10989, 25497, 31163, 76491, 93489, 104821, 280467, 314463, 841401, 943389, 1153031, 2830167, 3459093, 10377279, 31131837]

約数ペア:

[(1, 31131837), (3, 10377279), (9, 3459093), (11, 2830167), (27, 1153031), (33, 943389), (37, 841401), (99, 314463), (111, 280467), (297, 104821), (333, 93489), (407, 76491), (999, 31163), (1221, 25497), (2833, 10989), (3663, 8499)]