257665881

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{1361}}^1\times {\mathrm{5737}}^1$

素因数の和:7112

約数の個数: 16

約数和(自身を含む): 375127488

約数和(自身を除く): 117461607

約数列:

[1, 3, 11, 33, 1361, 4083, 5737, 14971, 17211, 44913, 63107, 189321, 7808057, 23424171, 85888627, 257665881]

約数ペア:

[(1, 257665881), (3, 85888627), (11, 23424171), (33, 7808057), (1361, 189321), (4083, 63107), (5737, 44913), (14971, 17211)]