645424293

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{23131}}^1$

素因数の和:23336

約数の個数: 16

約数和(自身を含む): 879386112

約数和(自身を除く): 233961819

約数列:

[1, 3, 71, 131, 213, 393, 9301, 23131, 27903, 69393, 1642301, 3030161, 4926903, 9090483, 215141431, 645424293]

約数ペア:

[(1, 645424293), (3, 215141431), (71, 9090483), (131, 4926903), (213, 3030161), (393, 1642301), (9301, 69393), (23131, 27903)]