77940821

素因数分解:

$7^2\times {\mathrm{103}}^1\times {\mathrm{15443}}^1$

素因数の和:15560

約数の個数: 12

約数和(自身を含む): 91552032

約数和(自身を除く): 13611211

約数列:

[1, 7, 49, 103, 721, 5047, 15443, 108101, 756707, 1590629, 11134403, 77940821]

約数ペア:

[(1, 77940821), (7, 11134403), (49, 1590629), (103, 756707), (721, 108101), (5047, 15443)]