81693249

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{57571}}^1$

素因数の和:57628

約数の個数: 16

約数和(自身を含む): 121592064

約数和(自身を除く): 39898815

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 57571, 172713, 633281, 1899843, 2475553, 7426659, 27231083, 81693249]

約数ペア:

[(1, 81693249), (3, 27231083), (11, 7426659), (33, 2475553), (43, 1899843), (129, 633281), (473, 172713), (1419, 57571)]