51654681

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{33961}}^1$

素因数の和:33993

約数の個数: 18

約数和(自身を含む): 80795598

約数和(自身を除く): 29140917

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 33961, 101883, 305649, 441493, 1324479, 3973437, 5739409, 17218227, 51654681]

約数ペア:

[(1, 51654681), (3, 17218227), (9, 5739409), (13, 3973437), (39, 1324479), (117, 441493), (169, 305649), (507, 101883), (1521, 33961)]