261890825859

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{746127709}}^1$

素因数の和:746127731

約数の個数: 16

約数和(自身を含む): 417831517600

約数和(自身を除く): 155940691741

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 746127709, 2238383127, 6715149381, 9699660217, 20145448143, 29098980651, 87296941953, 261890825859]

約数ペア:

[(1, 261890825859), (3, 87296941953), (9, 29098980651), (13, 20145448143), (27, 9699660217), (39, 6715149381), (117, 2238383127), (351, 746127709)]