27654809

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 36201984

約数和(自身を除く): 8547175

約数列:

[1, 7, 13, 23, 73, 91, 161, 181, 299, 511, 949, 1267, 1679, 2093, 2353, 4163, 6643, 11753, 13213, 16471, 21827, 29141, 54119, 92491, 152789, 171769, 303899, 378833, 1202383, 2127293, 3950687, 27654809]

約数ペア:

[(1, 27654809), (7, 3950687), (13, 2127293), (23, 1202383), (73, 378833), (91, 303899), (161, 171769), (181, 152789), (299, 92491), (511, 54119), (949, 29141), (1267, 21827), (1679, 16471), (2093, 13213), (2353, 11753), (4163, 6643)]