27939947

素因数分解:

$7^2\times {\mathrm{73}}^2\times {\mathrm{107}}^1$

素因数の和:267

約数の個数: 18

約数和(自身を含む): 33260868

約数和(自身を除く): 5320921

約数列:

[1, 7, 49, 73, 107, 511, 749, 3577, 5243, 5329, 7811, 37303, 54677, 261121, 382739, 570203, 3991421, 27939947]

約数ペア:

[(1, 27939947), (7, 3991421), (49, 570203), (73, 382739), (107, 261121), (511, 54677), (749, 37303), (3577, 7811), (5243, 5329)]