81755009

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{607}}^1$

素因数の和:956

約数の個数: 16

約数和(自身を含む): 95256576

約数和(自身を除く): 13501567

約数列:

[1, 7, 71, 271, 497, 607, 1897, 4249, 19241, 43097, 134687, 164497, 301679, 1151479, 11679287, 81755009]

約数ペア:

[(1, 81755009), (7, 11679287), (71, 1151479), (271, 301679), (497, 164497), (607, 134687), (1897, 43097), (4249, 19241)]