28273581

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{467}}^1$

素因数の和:542

約数の個数: 36

約数和(自身を含む): 48331296

約数和(自身を除く): 20057715

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 467, 651, 961, 1401, 1953, 2883, 3269, 4203, 6727, 8649, 9807, 14477, 20181, 29421, 43431, 60543, 101339, 130293, 304017, 448787, 912051, 1346361, 3141509, 4039083, 9424527, 28273581]

約数ペア:

[(1, 28273581), (3, 9424527), (7, 4039083), (9, 3141509), (21, 1346361), (31, 912051), (63, 448787), (93, 304017), (217, 130293), (279, 101339), (467, 60543), (651, 43431), (961, 29421), (1401, 20181), (1953, 14477), (2883, 9807), (3269, 8649), (4203, 6727)]