207947289

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{2333}}^1$

素因数の和:2457

約数の個数: 32

約数和(自身を含む): 315033984

約数和(自身を除く): 107086695

約数列:

[1, 3, 11, 33, 37, 73, 111, 219, 407, 803, 1221, 2333, 2409, 2701, 6999, 8103, 25663, 29711, 76989, 86321, 89133, 170309, 258963, 510927, 949531, 1873399, 2848593, 5620197, 6301433, 18904299, 69315763, 207947289]

約数ペア:

[(1, 207947289), (3, 69315763), (11, 18904299), (33, 6301433), (37, 5620197), (73, 2848593), (111, 1873399), (219, 949531), (407, 510927), (803, 258963), (1221, 170309), (2333, 89133), (2409, 86321), (2701, 76989), (6999, 29711), (8103, 25663)]