25261821

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{71971}}^1$

素因数の和:71993

約数の個数: 16

約数和(自身を含む): 40304320

約数和(自身を除く): 15042499

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 71971, 215913, 647739, 935623, 1943217, 2806869, 8420607, 25261821]

約数ペア:

[(1, 25261821), (3, 8420607), (9, 2806869), (13, 1943217), (27, 935623), (39, 647739), (117, 215913), (351, 71971)]