208783557

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{3187}}^1$

素因数の和:3473

約数の個数: 24

約数和(自身を含む): 313316640

約数和(自身を除く): 104533083

約数列:

[1, 3, 9, 29, 87, 251, 261, 753, 2259, 3187, 7279, 9561, 21837, 28683, 65511, 92423, 277269, 799937, 831807, 2399811, 7199433, 23198173, 69594519, 208783557]

約数ペア:

[(1, 208783557), (3, 69594519), (9, 23198173), (29, 7199433), (87, 2399811), (251, 831807), (261, 799937), (753, 277269), (2259, 92423), (3187, 65511), (7279, 28683), (9561, 21837)]