259647309

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{75721}}^1$

素因数の和:75857

約数の個数: 16

約数和(自身を含む): 387696640

約数和(自身を除く): 128049331

約数列:

[1, 3, 9, 27, 127, 381, 1143, 3429, 75721, 227163, 681489, 2044467, 9616567, 28849701, 86549103, 259647309]

約数ペア:

[(1, 259647309), (3, 86549103), (9, 28849701), (27, 9616567), (127, 2044467), (381, 681489), (1143, 227163), (3429, 75721)]