28980207

素因数分解:

$3^3\times {\mathrm{23}}^2\times {\mathrm{2029}}^1$

素因数の和:2084

約数の個数: 24

約数和(自身を含む): 44903600

約数和(自身を除く): 15923393

約数列:

[1, 3, 9, 23, 27, 69, 207, 529, 621, 1587, 2029, 4761, 6087, 14283, 18261, 46667, 54783, 140001, 420003, 1073341, 1260009, 3220023, 9660069, 28980207]

約数ペア:

[(1, 28980207), (3, 9660069), (9, 3220023), (23, 1260009), (27, 1073341), (69, 420003), (207, 140001), (529, 54783), (621, 46667), (1587, 18261), (2029, 14283), (4761, 6087)]