257457147

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{52553}}^1$

素因数の和:52650

約数の個数: 16

約数和(自身を含む): 363253248

約数和(自身を除く): 105796101

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4899, 52553, 157659, 1208719, 3626157, 3731263, 11193789, 85819049, 257457147]

約数ペア:

[(1, 257457147), (3, 85819049), (23, 11193789), (69, 3731263), (71, 3626157), (213, 1208719), (1633, 157659), (4899, 52553)]