27407709

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3271}}^1$

素因数の和:3310

約数の個数: 36

約数和(自身を含む): 48491040

約数和(自身を除く): 21083331

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 3271, 8379, 9813, 22897, 29439, 62149, 68691, 160279, 186447, 206073, 435043, 480837, 559341, 1305129, 1442511, 3045301, 3915387, 9135903, 27407709]

約数ペア:

[(1, 27407709), (3, 9135903), (7, 3915387), (9, 3045301), (19, 1442511), (21, 1305129), (49, 559341), (57, 480837), (63, 435043), (133, 206073), (147, 186447), (171, 160279), (399, 68691), (441, 62149), (931, 29439), (1197, 22897), (2793, 9813), (3271, 8379)]