20131729281

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{39243137}}^1$

素因数の和:39243165

約数の個数: 16

約数和(自身を含む): 31394510400

約数和(自身を除く): 11262781119

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 39243137, 117729411, 353188233, 745619603, 1059564699, 2236858809, 6710576427, 20131729281]

約数ペア:

[(1, 20131729281), (3, 6710576427), (9, 2236858809), (19, 1059564699), (27, 745619603), (57, 353188233), (171, 117729411), (513, 39243137)]