12719655

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1279}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 25159680

約数和(自身を除く): 12440025

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1279, 1989, 3315, 3837, 6395, 9945, 11511, 16627, 19185, 21743, 49881, 57555, 65229, 83135, 108715, 149643, 195687, 249405, 282659, 326145, 748215, 847977, 978435, 1413295, 2543931, 4239885, 12719655]

約数ペア:

[(1, 12719655), (3, 4239885), (5, 2543931), (9, 1413295), (13, 978435), (15, 847977), (17, 748215), (39, 326145), (45, 282659), (51, 249405), (65, 195687), (85, 149643), (117, 108715), (153, 83135), (195, 65229), (221, 57555), (255, 49881), (585, 21743), (663, 19185), (765, 16627), (1105, 11511), (1279, 9945), (1989, 6395), (3315, 3837)]