25489317

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 41221120

約数和(自身を除く): 15731803

約数列:

[1, 3, 7, 19, 21, 57, 133, 193, 331, 399, 579, 993, 1351, 2317, 3667, 4053, 6289, 6951, 11001, 18867, 25669, 44023, 63883, 77007, 132069, 191649, 447181, 1213777, 1341543, 3641331, 8496439, 25489317]

約数ペア:

[(1, 25489317), (3, 8496439), (7, 3641331), (19, 1341543), (21, 1213777), (57, 447181), (133, 191649), (193, 132069), (331, 77007), (399, 63883), (579, 44023), (993, 25669), (1351, 18867), (2317, 11001), (3667, 6951), (4053, 6289)]