207989613

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{197521}}^1$

素因数の和:197546

約数の個数: 20

約数和(自身を含む): 334602268

約数和(自身を除く): 126612655

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 197521, 592563, 1777689, 2567773, 5333067, 7703319, 15999201, 23109957, 69329871, 207989613]

約数ペア:

[(1, 207989613), (3, 69329871), (9, 23109957), (13, 15999201), (27, 7703319), (39, 5333067), (81, 2567773), (117, 1777689), (351, 592563), (1053, 197521)]