15671327

素因数分解:

$7^4\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:196

約数の個数: 20

約数和(自身を含む): 18755496

約数和(自身を除く): 3084169

約数列:

[1, 7, 49, 61, 107, 343, 427, 749, 2401, 2989, 5243, 6527, 20923, 36701, 45689, 146461, 256907, 319823, 2238761, 15671327]

約数ペア:

[(1, 15671327), (7, 2238761), (49, 319823), (61, 256907), (107, 146461), (343, 45689), (427, 36701), (749, 20923), (2401, 6527), (2989, 5243)]