28811517

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{29191}}^1$

素因数の和:29248

約数の個数: 16

約数和(自身を含む): 44838912

約数和(自身を除く): 16027395

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 29191, 87573, 204337, 613011, 1371977, 4115931, 9603839, 28811517]

約数ペア:

[(1, 28811517), (3, 9603839), (7, 4115931), (21, 1371977), (47, 613011), (141, 204337), (329, 87573), (987, 29191)]