280858239

素因数分解:

$3^3\times {\mathrm{661}}^1\times {\mathrm{15737}}^1$

素因数の和:16407

約数の個数: 16

約数和(自身を含む): 416742240

約数和(自身を除く): 135884001

約数列:

[1, 3, 9, 27, 661, 1983, 5949, 15737, 17847, 47211, 141633, 424899, 10402157, 31206471, 93619413, 280858239]

約数ペア:

[(1, 280858239), (3, 93619413), (9, 31206471), (27, 10402157), (661, 424899), (1983, 141633), (5949, 47211), (15737, 17847)]