28721049

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47161}}^1$

素因数の和:47200

約数の個数: 16

約数和(自身を含む): 45275520

約数和(自身を除く): 16554471

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 47161, 141483, 330127, 990381, 1367669, 4103007, 9573683, 28721049]

約数ペア:

[(1, 28721049), (3, 9573683), (7, 4103007), (21, 1367669), (29, 990381), (87, 330127), (203, 141483), (609, 47161)]