81701439

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1493}}^1$

素因数の和:1579

約数の個数: 32

約数和(自身を含む): 122627520

約数和(自身を除く): 40926081

約数列:

[1, 3, 17, 29, 37, 51, 87, 111, 493, 629, 1073, 1479, 1493, 1887, 3219, 4479, 18241, 25381, 43297, 54723, 55241, 76143, 129891, 165723, 736049, 939097, 1601989, 2208147, 2817291, 4805967, 27233813, 81701439]

約数ペア:

[(1, 81701439), (3, 27233813), (17, 4805967), (29, 2817291), (37, 2208147), (51, 1601989), (87, 939097), (111, 736049), (493, 165723), (629, 129891), (1073, 76143), (1479, 55241), (1493, 54723), (1887, 43297), (3219, 25381), (4479, 18241)]