2172991

素因数分解:

${\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 12

約数和(自身を含む): 2362672

約数和(自身を除く): 189681

約数列:

[1, 17, 73, 103, 289, 1241, 1751, 7519, 21097, 29767, 127823, 2172991]

約数ペア:

[(1, 2172991), (17, 127823), (73, 29767), (103, 21097), (289, 7519), (1241, 1751)]