27642501

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 40884480

約数和(自身を除く): 13241979

約数列:

[1, 3, 9, 71, 181, 213, 239, 543, 639, 717, 1629, 2151, 12851, 16969, 38553, 43259, 50907, 115659, 129777, 152721, 389331, 3071389, 9214167, 27642501]

約数ペア:

[(1, 27642501), (3, 9214167), (9, 3071389), (71, 389331), (181, 152721), (213, 129777), (239, 115659), (543, 50907), (639, 43259), (717, 38553), (1629, 16969), (2151, 12851)]