668701359

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{348827}}^1$

素因数の和:348907

約数の個数: 16

約数和(自身を含む): 1004624640

約数和(自身を除く): 335923281

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 348827, 1046481, 3139443, 9418329, 24766717, 74300151, 222900453, 668701359]

約数ペア:

[(1, 668701359), (3, 222900453), (9, 74300151), (27, 24766717), (71, 9418329), (213, 3139443), (639, 1046481), (1917, 348827)]