156921891

素因数分解:

$3^1\times 7^1\times {\mathrm{2621}}^1\times {\mathrm{2851}}^1$

素因数の和:5482

約数の個数: 16

約数和(自身を含む): 239294208

約数和(自身を除く): 82372317

約数列:

[1, 3, 7, 21, 2621, 2851, 7863, 8553, 18347, 19957, 55041, 59871, 7472471, 22417413, 52307297, 156921891]

約数ペア:

[(1, 156921891), (3, 52307297), (7, 22417413), (21, 7472471), (2621, 59871), (2851, 55041), (7863, 19957), (8553, 18347)]