251011143

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{75583}}^1$

素因数の和:75636

約数の個数: 20

約数和(自身を含む): 384117888

約数和(自身を除く): 133106745

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 75583, 226749, 680247, 2040741, 3098903, 6122223, 9296709, 27890127, 83670381, 251011143]

約数ペア:

[(1, 251011143), (3, 83670381), (9, 27890127), (27, 9296709), (41, 6122223), (81, 3098903), (123, 2040741), (369, 680247), (1107, 226749), (3321, 75583)]