87391467

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{769}}^1$

素因数の和:865

約数の個数: 40

約数和(自身を含む): 138636960

約数和(自身を除く): 51245493

約数列:

[1, 3, 9, 23, 27, 61, 69, 81, 183, 207, 549, 621, 769, 1403, 1647, 1863, 2307, 4209, 4941, 6921, 12627, 17687, 20763, 37881, 46909, 53061, 62289, 113643, 140727, 159183, 422181, 477549, 1078907, 1266543, 1432647, 3236721, 3799629, 9710163, 29130489, 87391467]

約数ペア:

[(1, 87391467), (3, 29130489), (9, 9710163), (23, 3799629), (27, 3236721), (61, 1432647), (69, 1266543), (81, 1078907), (183, 477549), (207, 422181), (549, 159183), (621, 140727), (769, 113643), (1403, 62289), (1647, 53061), (1863, 46909), (2307, 37881), (4209, 20763), (4941, 17687), (6921, 12627)]