20131489143

素因数分解:

$3^4\times {\mathrm{1321}}^1\times {\mathrm{188143}}^1$

素因数の和:189476

約数の個数: 20

約数和(自身を含む): 30095890528

約数和(自身を除く): 9964401385

約数列:

[1, 3, 9, 27, 81, 1321, 3963, 11889, 35667, 107001, 188143, 564429, 1693287, 5079861, 15239583, 248536903, 745610709, 2236832127, 6710496381, 20131489143]

約数ペア:

[(1, 20131489143), (3, 6710496381), (9, 2236832127), (27, 745610709), (81, 248536903), (1321, 15239583), (3963, 5079861), (11889, 1693287), (35667, 564429), (107001, 188143)]