339934581

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{75997}}^1$

素因数の和:76081

約数の個数: 24

約数和(自身を含む): 569073024

約数和(自身を除く): 229138443

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 75997, 227991, 531979, 683973, 1595937, 4787811, 5395787, 16187361, 37770509, 48562083, 113311527, 339934581]

約数ペア:

[(1, 339934581), (3, 113311527), (7, 48562083), (9, 37770509), (21, 16187361), (63, 5395787), (71, 4787811), (213, 1595937), (497, 683973), (639, 531979), (1491, 227991), (4473, 75997)]