27647613

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{883}}^1$

素因数の和:974

約数の個数: 36

約数和(自身を含む): 47163168

約数和(自身を除く): 19515555

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 883, 1491, 2649, 3479, 4473, 6181, 7947, 10437, 18543, 31311, 43267, 55629, 62693, 129801, 188079, 389403, 438851, 564237, 1316553, 3071957, 3949659, 9215871, 27647613]

約数ペア:

[(1, 27647613), (3, 9215871), (7, 3949659), (9, 3071957), (21, 1316553), (49, 564237), (63, 438851), (71, 389403), (147, 188079), (213, 129801), (441, 62693), (497, 55629), (639, 43267), (883, 31311), (1491, 18543), (2649, 10437), (3479, 7947), (4473, 6181)]