91216287

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{26189}}^1$

素因数の和:26244

約数の個数: 20

約数和(自身を含む): 139435560

約数和(自身を除く): 48219273

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 26189, 78567, 235701, 707103, 1126127, 2121309, 3378381, 10135143, 30405429, 91216287]

約数ペア:

[(1, 91216287), (3, 30405429), (9, 10135143), (27, 3378381), (43, 2121309), (81, 1126127), (129, 707103), (387, 235701), (1161, 78567), (3483, 26189)]