280827081

素因数分解:

$3^5\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 438092928

約数和(自身を除く): 157265847

約数列:

[1, 3, 9, 27, 41, 71, 81, 123, 213, 243, 369, 397, 639, 1107, 1191, 1917, 2911, 3321, 3573, 5751, 8733, 9963, 10719, 16277, 17253, 26199, 28187, 32157, 48831, 78597, 84561, 96471, 146493, 235791, 253683, 439479, 707373, 761049, 1155667, 1318437, 2283147, 3467001, 3955311, 6849441, 10401003, 31203009, 93609027, 280827081]

約数ペア:

[(1, 280827081), (3, 93609027), (9, 31203009), (27, 10401003), (41, 6849441), (71, 3955311), (81, 3467001), (123, 2283147), (213, 1318437), (243, 1155667), (369, 761049), (397, 707373), (639, 439479), (1107, 253683), (1191, 235791), (1917, 146493), (2911, 96471), (3321, 84561), (3573, 78597), (5751, 48831), (8733, 32157), (9963, 28187), (10719, 26199), (16277, 17253)]