1688877

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{881}}^1$

素因数の和:961

約数の個数: 16

約数和(自身を含む): 2540160

約数和(自身を除く): 851283

約数列:

[1, 3, 9, 27, 71, 213, 639, 881, 1917, 2643, 7929, 23787, 62551, 187653, 562959, 1688877]

約数ペア:

[(1, 1688877), (3, 562959), (9, 187653), (27, 62551), (71, 23787), (213, 7929), (639, 2643), (881, 1917)]