87690813

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{43049}}^1$

素因数の和:43156

約数の個数: 16

約数和(自身を含む): 135004800

約数和(自身を除く): 47313987

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 43049, 129147, 301343, 904029, 4175753, 12527259, 29230271, 87690813]

約数ペア:

[(1, 87690813), (3, 29230271), (7, 12527259), (21, 4175753), (97, 904029), (291, 301343), (679, 129147), (2037, 43049)]