15705009

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{4729}}^1$

素因数の和:4782

約数の個数: 20

約数和(自身を含む): 24037860

約数和(自身を除く): 8332851

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 4729, 14187, 42561, 127683, 193889, 383049, 581667, 1745001, 5235003, 15705009]

約数ペア:

[(1, 15705009), (3, 5235003), (9, 1745001), (27, 581667), (41, 383049), (81, 193889), (123, 127683), (369, 42561), (1107, 14187), (3321, 4729)]