206876889

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{311}}^1\times {\mathrm{347}}^1$

素因数の和:738

約数の個数: 32

約数和(自身を含む): 312698880

約数和(自身を除く): 105821991

約数列:

[1, 3, 9, 27, 71, 213, 311, 347, 639, 933, 1041, 1917, 2799, 3123, 8397, 9369, 22081, 24637, 66243, 73911, 107917, 198729, 221733, 323751, 596187, 665199, 971253, 2913759, 7662107, 22986321, 68958963, 206876889]

約数ペア:

[(1, 206876889), (3, 68958963), (9, 22986321), (27, 7662107), (71, 2913759), (213, 971253), (311, 665199), (347, 596187), (639, 323751), (933, 221733), (1041, 198729), (1917, 107917), (2799, 73911), (3123, 66243), (8397, 24637), (9369, 22081)]