201878919

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{18371}}^1$

素因数の和:18428

約数の個数: 32

約数和(自身を含む): 335105280

約数和(自身を除く): 133226361

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 3663, 10989, 18371, 55113, 165339, 202081, 496017, 606243, 679727, 1818729, 2039181, 5456187, 6117543, 7476997, 18352629, 22430991, 67292973, 201878919]

約数ペア:

[(1, 201878919), (3, 67292973), (9, 22430991), (11, 18352629), (27, 7476997), (33, 6117543), (37, 5456187), (99, 2039181), (111, 1818729), (297, 679727), (333, 606243), (407, 496017), (999, 202081), (1221, 165339), (3663, 55113), (10989, 18371)]