27720961807

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15652717}}^1$

素因数の和:15652758

約数の個数: 16

約数和(自身を含む): 36063862272

約数和(自身を除く): 8342900465

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 15652717, 109569019, 172179887, 360012491, 1205259209, 2520087437, 3960137401, 27720961807]

約数ペア:

[(1, 27720961807), (7, 3960137401), (11, 2520087437), (23, 1205259209), (77, 360012491), (161, 172179887), (253, 109569019), (1771, 15652717)]