81148635

素因数分解:

$3^7\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 150433920

約数和(自身を除く): 69285285

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 181, 205, 243, 369, 405, 543, 615, 729, 905, 1107, 1215, 1629, 1845, 2187, 2715, 3321, 3645, 4887, 5535, 7421, 8145, 9963, 10935, 14661, 16605, 22263, 24435, 29889, 37105, 43983, 49815, 66789, 73305, 89667, 111315, 131949, 149445, 200367, 219915, 333945, 395847, 448335, 601101, 659745, 1001835, 1803303, 1979235, 3005505, 5409909, 9016515, 16229727, 27049545, 81148635]

約数ペア:

[(1, 81148635), (3, 27049545), (5, 16229727), (9, 9016515), (15, 5409909), (27, 3005505), (41, 1979235), (45, 1803303), (81, 1001835), (123, 659745), (135, 601101), (181, 448335), (205, 395847), (243, 333945), (369, 219915), (405, 200367), (543, 149445), (615, 131949), (729, 111315), (905, 89667), (1107, 73305), (1215, 66789), (1629, 49815), (1845, 43983), (2187, 37105), (2715, 29889), (3321, 24435), (3645, 22263), (4887, 16605), (5535, 14661), (7421, 10935), (8145, 9963)]