87683981

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:702

約数の個数: 36

約数和(自身を含む): 117171936

約数和(自身を除く): 29487955

約数列:

[1, 7, 11, 23, 49, 77, 121, 161, 253, 539, 643, 847, 1127, 1771, 2783, 4501, 5929, 7073, 12397, 14789, 19481, 31507, 49511, 77803, 103523, 136367, 162679, 346577, 544621, 724661, 1138753, 1789469, 3812347, 7971271, 12526283, 87683981]

約数ペア:

[(1, 87683981), (7, 12526283), (11, 7971271), (23, 3812347), (49, 1789469), (77, 1138753), (121, 724661), (161, 544621), (253, 346577), (539, 162679), (643, 136367), (847, 103523), (1127, 77803), (1771, 49511), (2783, 31507), (4501, 19481), (5929, 14789), (7073, 12397)]