249743871

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{16547}}^1$

素因数の和:16612

約数の個数: 32

約数和(自身を含む): 407742720

約数和(自身を除く): 157998849

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1677, 5031, 15093, 16547, 49641, 148923, 215111, 446769, 645333, 711521, 1935999, 2134563, 5807997, 6403689, 9249773, 19211067, 27749319, 83247957, 249743871]

約数ペア:

[(1, 249743871), (3, 83247957), (9, 27749319), (13, 19211067), (27, 9249773), (39, 6403689), (43, 5807997), (117, 2134563), (129, 1935999), (351, 711521), (387, 645333), (559, 446769), (1161, 215111), (1677, 148923), (5031, 49641), (15093, 16547)]