12854709

素因数分解:

$3^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{283}}^1$

素因数の和:406

約数の個数: 36

約数和(自身を含む): 21886176

約数和(自身を除く): 9031467

約数列:

[1, 3, 7, 9, 21, 49, 63, 103, 147, 283, 309, 441, 721, 849, 927, 1981, 2163, 2547, 5047, 5943, 6489, 13867, 15141, 17829, 29149, 41601, 45423, 87447, 124803, 204043, 262341, 612129, 1428301, 1836387, 4284903, 12854709]

約数ペア:

[(1, 12854709), (3, 4284903), (7, 1836387), (9, 1428301), (21, 612129), (49, 262341), (63, 204043), (103, 124803), (147, 87447), (283, 45423), (309, 41601), (441, 29149), (721, 17829), (849, 15141), (927, 13867), (1981, 6489), (2163, 5943), (2547, 5047)]