209804511

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{96997}}^1$

素因数の和:97110

約数の個数: 16

約数和(自身を含む): 322809344

約数和(自身を除く): 113004833

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 96997, 290991, 678979, 2036937, 9990691, 29972073, 69934837, 209804511]

約数ペア:

[(1, 209804511), (3, 69934837), (7, 29972073), (21, 9990691), (103, 2036937), (309, 678979), (721, 290991), (2163, 96997)]