13339221

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{881}}^1$

素因数の和:1001

約数の個数: 24

約数和(自身を含む): 20913984

約数和(自身を除く): 7574763

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 881, 2163, 2643, 5047, 6167, 15141, 18501, 43169, 90743, 129507, 272229, 635201, 1905603, 4446407, 13339221]

約数ペア:

[(1, 13339221), (3, 4446407), (7, 1905603), (21, 635201), (49, 272229), (103, 129507), (147, 90743), (309, 43169), (721, 18501), (881, 15141), (2163, 6167), (2643, 5047)]