4540291

素因数分解:

$7^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 20

約数和(自身を含む): 5557184

約数和(自身を除く): 1016893

約数列:

[1, 7, 31, 49, 61, 217, 343, 427, 1519, 1891, 2401, 2989, 10633, 13237, 20923, 74431, 92659, 146461, 648613, 4540291]

約数ペア:

[(1, 4540291), (7, 648613), (31, 146461), (49, 92659), (61, 74431), (217, 20923), (343, 13237), (427, 10633), (1519, 2989), (1891, 2401)]