66078999

素因数分解:

$3^2\times 7^2\times {\mathrm{149839}}^1$

素因数の和:149859

約数の個数: 18

約数和(自身を含む): 111031440

約数和(自身を除く): 44952441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 149839, 449517, 1048873, 1348551, 3146619, 7342111, 9439857, 22026333, 66078999]

約数ペア:

[(1, 66078999), (3, 22026333), (7, 9439857), (9, 7342111), (21, 3146619), (49, 1348551), (63, 1048873), (147, 449517), (441, 149839)]