15951887

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:183

約数の個数: 32

約数和(自身を含む): 20459520

約数和(自身を除く): 4507633

約数列:

[1, 7, 19, 31, 53, 73, 133, 217, 371, 511, 589, 1007, 1387, 1643, 2263, 3869, 4123, 7049, 9709, 11501, 15841, 27083, 31217, 42997, 73511, 119939, 218519, 300979, 514577, 839573, 2278841, 15951887]

約数ペア:

[(1, 15951887), (7, 2278841), (19, 839573), (31, 514577), (53, 300979), (73, 218519), (133, 119939), (217, 73511), (371, 42997), (511, 31217), (589, 27083), (1007, 15841), (1387, 11501), (1643, 9709), (2263, 7049), (3869, 4123)]