206810901

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{21101}}^1$

素因数の和:21135

約数の個数: 30

約数和(自身を含む): 339594486

約数和(自身を除く): 132783585

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 121, 297, 363, 891, 1089, 3267, 9801, 21101, 63303, 189909, 232111, 569727, 696333, 1709181, 2088999, 2553221, 6266997, 7659663, 18800991, 22978989, 68936967, 206810901]

約数ペア:

[(1, 206810901), (3, 68936967), (9, 22978989), (11, 18800991), (27, 7659663), (33, 6266997), (81, 2553221), (99, 2088999), (121, 1709181), (297, 696333), (363, 569727), (891, 232111), (1089, 189909), (3267, 63303), (9801, 21101)]