2001521907

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{320911}}^1$

素因数の和:320941

約数の個数: 40

約数和(自身を含む): 3727713792

約数和(自身を除く): 1726191885

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 6237, 320911, 962733, 2246377, 2888199, 3530021, 6739131, 8664597, 10590063, 20217393, 24710147, 25993791, 31770189, 60652179, 74130441, 95310567, 181956537, 222391323, 285931701, 667173969, 2001521907]

約数ペア:

[(1, 2001521907), (3, 667173969), (7, 285931701), (9, 222391323), (11, 181956537), (21, 95310567), (27, 74130441), (33, 60652179), (63, 31770189), (77, 25993791), (81, 24710147), (99, 20217393), (189, 10590063), (231, 8664597), (297, 6739131), (567, 3530021), (693, 2888199), (891, 2246377), (2079, 962733), (6237, 320911)]