249988291281

素因数分解:

$3^4\times {\mathrm{5209}}^1\times {\mathrm{592489}}^1$

素因数の和:597710

約数の個数: 20

約数和(自身を含む): 373511620900

約数和(自身を除く): 123523329619

約数列:

[1, 3, 9, 27, 81, 5209, 15627, 46881, 140643, 421929, 592489, 1777467, 5332401, 15997203, 47991609, 3086275201, 9258825603, 27776476809, 83329430427, 249988291281]

約数ペア:

[(1, 249988291281), (3, 83329430427), (9, 27776476809), (27, 9258825603), (81, 3086275201), (5209, 47991609), (15627, 15997203), (46881, 5332401), (140643, 1777467), (421929, 592489)]