208097991

素因数分解:

$3^4\times {\mathrm{599}}^1\times {\mathrm{4289}}^1$

素因数の和:4900

約数の個数: 20

約数和(自身を含む): 311454000

約数和(自身を除く): 103356009

約数列:

[1, 3, 9, 27, 81, 599, 1797, 4289, 5391, 12867, 16173, 38601, 48519, 115803, 347409, 2569111, 7707333, 23121999, 69365997, 208097991]

約数ペア:

[(1, 208097991), (3, 69365997), (9, 23121999), (27, 7707333), (81, 2569111), (599, 347409), (1797, 115803), (4289, 48519), (5391, 38601), (12867, 16173)]