201719889

素因数分解:

$3^5\times 7^1\times {\mathrm{118589}}^1$

素因数の和:118611

約数の個数: 24

約数和(自身を含む): 345334080

約数和(自身を除く): 143614191

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 118589, 355767, 830123, 1067301, 2490369, 3201903, 7471107, 9605709, 22413321, 28817127, 67239963, 201719889]

約数ペア:

[(1, 201719889), (3, 67239963), (7, 28817127), (9, 22413321), (21, 9605709), (27, 7471107), (63, 3201903), (81, 2490369), (189, 1067301), (243, 830123), (567, 355767), (1701, 118589)]