81036564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{964721}}^1$

素因数の和:964735

約数の個数: 24

約数和(自身を含む): 216097728

約数和(自身を除く): 135061164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 964721, 1929442, 2894163, 3858884, 5788326, 6753047, 11576652, 13506094, 20259141, 27012188, 40518282, 81036564]

約数ペア:

[(1, 81036564), (2, 40518282), (3, 27012188), (4, 20259141), (6, 13506094), (7, 11576652), (12, 6753047), (14, 5788326), (21, 3858884), (28, 2894163), (42, 1929442), (84, 964721)]