220867911

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 372096000

約数和(自身を除く): 151228089

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 101, 111, 199, 297, 303, 333, 407, 597, 909, 999, 1111, 1221, 1791, 2189, 2727, 3333, 3663, 3737, 5373, 6567, 7363, 9999, 10989, 11211, 19701, 20099, 22089, 29997, 33633, 41107, 59103, 60297, 66267, 80993, 100899, 123321, 180891, 198801, 221089, 242979, 369963, 542673, 663267, 728937, 743663, 1109889, 1989801, 2186811, 2230989, 5969403, 6692967, 8180293, 20078901, 24540879, 73622637, 220867911]

約数ペア:

[(1, 220867911), (3, 73622637), (9, 24540879), (11, 20078901), (27, 8180293), (33, 6692967), (37, 5969403), (99, 2230989), (101, 2186811), (111, 1989801), (199, 1109889), (297, 743663), (303, 728937), (333, 663267), (407, 542673), (597, 369963), (909, 242979), (999, 221089), (1111, 198801), (1221, 180891), (1791, 123321), (2189, 100899), (2727, 80993), (3333, 66267), (3663, 60297), (3737, 59103), (5373, 41107), (6567, 33633), (7363, 29997), (9999, 22089), (10989, 20099), (11211, 19701)]