28287156933

素因数分解:

$3^3\times 7^2\times {\mathrm{21381071}}^1$

素因数の和:21381094

約数の個数: 24

約数和(自身を含む): 48748844160

約数和(自身を除く): 20461687227

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 21381071, 64143213, 149667497, 192429639, 449002491, 577288917, 1047672479, 1347007473, 3143017437, 4041022419, 9429052311, 28287156933]

約数ペア:

[(1, 28287156933), (3, 9429052311), (7, 4041022419), (9, 3143017437), (21, 1347007473), (27, 1047672479), (49, 577288917), (63, 449002491), (147, 192429639), (189, 149667497), (441, 64143213), (1323, 21381071)]