201217621

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{8311}}^1$

素因数の和:8424

約数の個数: 16

約数和(自身を含む): 229810176

約数和(自身を除く): 28592555

約数列:

[1, 11, 31, 71, 341, 781, 2201, 8311, 24211, 91421, 257641, 590081, 2834051, 6490891, 18292511, 201217621]

約数ペア:

[(1, 201217621), (11, 18292511), (31, 6490891), (71, 2834051), (341, 590081), (781, 257641), (2201, 91421), (8311, 24211)]