18083871

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{51521}}^1$

素因数の和:51543

約数の個数: 16

約数和(自身を含む): 28852320

約数和(自身を除く): 10768449

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 51521, 154563, 463689, 669773, 1391067, 2009319, 6027957, 18083871]

約数ペア:

[(1, 18083871), (3, 6027957), (9, 2009319), (13, 1391067), (27, 669773), (39, 463689), (117, 154563), (351, 51521)]