2016287721

素因数分解:

$3^4\times 7^2\times {\mathrm{508009}}^1$

素因数の和:508035

約数の個数: 30

約数和(自身を含む): 3503744970

約数和(自身を除く): 1487457249

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 508009, 1524027, 3556063, 4572081, 10668189, 13716243, 24892441, 32004567, 41148729, 74677323, 96013701, 224031969, 288041103, 672095907, 2016287721]

約数ペア:

[(1, 2016287721), (3, 672095907), (7, 288041103), (9, 224031969), (21, 96013701), (27, 74677323), (49, 41148729), (63, 32004567), (81, 24892441), (147, 13716243), (189, 10668189), (441, 4572081), (567, 3556063), (1323, 1524027), (3969, 508009)]