814352217

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{291569}}^1$

素因数の和:291605

約数の個数: 24

約数和(自身を含む): 1329559200

約数和(自身を除く): 515206983

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 291569, 874707, 2040983, 5539811, 6122949, 14286881, 16619433, 38778677, 42860643, 116336031, 271450739, 814352217]

約数ペア:

[(1, 814352217), (3, 271450739), (7, 116336031), (19, 42860643), (21, 38778677), (49, 16619433), (57, 14286881), (133, 6122949), (147, 5539811), (399, 2040983), (931, 874707), (2793, 291569)]