2783290587

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{18797}}^1$

素因数の和:19459

約数の個数: 32

約数和(自身を含む): 4634233344

約数和(自身を除く): 1850942757

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 641, 1923, 4487, 7051, 13461, 18797, 21153, 49357, 56391, 131579, 148071, 206767, 394737, 620301, 1447369, 4342107, 12048877, 36146631, 84342139, 132537647, 253026417, 397612941, 927763529, 2783290587]

約数ペア:

[(1, 2783290587), (3, 927763529), (7, 397612941), (11, 253026417), (21, 132537647), (33, 84342139), (77, 36146631), (231, 12048877), (641, 4342107), (1923, 1447369), (4487, 620301), (7051, 394737), (13461, 206767), (18797, 148071), (21153, 131579), (49357, 56391)]