81965787

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1\times {\mathrm{1553}}^1$

素因数の和:1870

約数の個数: 16

約数和(自身を含む): 111316128

約数和(自身を除く): 29350341

約数列:

[1, 3, 73, 219, 241, 723, 1553, 4659, 17593, 52779, 113369, 340107, 374273, 1122819, 27321929, 81965787]

約数ペア:

[(1, 81965787), (3, 27321929), (73, 1122819), (219, 374273), (241, 340107), (723, 113369), (1553, 52779), (4659, 17593)]