168020811

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8009}}^1$

素因数の和:8065

約数の個数: 40

約数和(自身を含む): 294639840

約数和(自身を除く): 126619029

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 259, 333, 567, 777, 999, 2331, 2997, 6993, 8009, 20979, 24027, 56063, 72081, 168189, 216243, 296333, 504567, 648729, 888999, 1513701, 2074331, 2666997, 4541103, 6222993, 8000991, 18668979, 24002973, 56006937, 168020811]

約数ペア:

[(1, 168020811), (3, 56006937), (7, 24002973), (9, 18668979), (21, 8000991), (27, 6222993), (37, 4541103), (63, 2666997), (81, 2074331), (111, 1513701), (189, 888999), (259, 648729), (333, 504567), (567, 296333), (777, 216243), (999, 168189), (2331, 72081), (2997, 56063), (6993, 24027), (8009, 20979)]