78857145

素因数分解:

$3^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1583}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 145297152

約数和(自身を除く): 66440007

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 243, 369, 405, 615, 1107, 1215, 1583, 1845, 3321, 4749, 5535, 7915, 9963, 14247, 16605, 23745, 42741, 49815, 64903, 71235, 128223, 194709, 213705, 324515, 384669, 584127, 641115, 973545, 1752381, 1923345, 2920635, 5257143, 8761905, 15771429, 26285715, 78857145]

約数ペア:

[(1, 78857145), (3, 26285715), (5, 15771429), (9, 8761905), (15, 5257143), (27, 2920635), (41, 1923345), (45, 1752381), (81, 973545), (123, 641115), (135, 584127), (205, 384669), (243, 324515), (369, 213705), (405, 194709), (615, 128223), (1107, 71235), (1215, 64903), (1583, 49815), (1845, 42741), (3321, 23745), (4749, 16605), (5535, 14247), (7915, 9963)]