20190357

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:610

約数の個数: 32

約数和(自身を含む): 32914560

約数和(自身を除く): 12724203

約数列:

[1, 3, 9, 11, 27, 33, 99, 157, 297, 433, 471, 1299, 1413, 1727, 3897, 4239, 4763, 5181, 11691, 14289, 15543, 42867, 46629, 67981, 128601, 203943, 611829, 747791, 1835487, 2243373, 6730119, 20190357]

約数ペア:

[(1, 20190357), (3, 6730119), (9, 2243373), (11, 1835487), (27, 747791), (33, 611829), (99, 203943), (157, 128601), (297, 67981), (433, 46629), (471, 42867), (1299, 15543), (1413, 14289), (1727, 11691), (3897, 5181), (4239, 4763)]