28644309

素因数分解:

$3^2\times {\mathrm{67}}^2\times {\mathrm{709}}^1$

素因数の和:849

約数の個数: 18

約数和(自身を含む): 42061110

約数和(自身を除く): 13416801

約数列:

[1, 3, 9, 67, 201, 603, 709, 2127, 4489, 6381, 13467, 40401, 47503, 142509, 427527, 3182701, 9548103, 28644309]

約数ペア:

[(1, 28644309), (3, 9548103), (9, 3182701), (67, 427527), (201, 142509), (603, 47503), (709, 40401), (2127, 13467), (4489, 6381)]