199540299

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71443}}^1$

素因数の和:71479

約数の個数: 24

約数和(自身を含む): 325784640

約数和(自身を除く): 126244341

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 71443, 214329, 500101, 1357417, 1500303, 3500707, 4072251, 9501919, 10502121, 28505757, 66513433, 199540299]

約数ペア:

[(1, 199540299), (3, 66513433), (7, 28505757), (19, 10502121), (21, 9501919), (49, 4072251), (57, 3500707), (133, 1500303), (147, 1357417), (399, 500101), (931, 214329), (2793, 71443)]