1340981757

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{699521}}^1$

素因数の和:699601

約数の個数: 16

約数和(自身を含む): 2014623360

約数和(自身を除く): 673641603

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 699521, 2098563, 6295689, 18887067, 49665991, 148997973, 446993919, 1340981757]

約数ペア:

[(1, 1340981757), (3, 446993919), (9, 148997973), (27, 49665991), (71, 18887067), (213, 6295689), (639, 2098563), (1917, 699521)]