1297809

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{677}}^1$

素因数の和:757

約数の個数: 16

約数和(自身を含む): 1952640

約数和(自身を除く): 654831

約数列:

[1, 3, 9, 27, 71, 213, 639, 677, 1917, 2031, 6093, 18279, 48067, 144201, 432603, 1297809]

約数ペア:

[(1, 1297809), (3, 432603), (9, 144201), (27, 48067), (71, 18279), (213, 6093), (639, 2031), (677, 1917)]