77540981

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{9829}}^1$

素因数の和:9873

約数の個数: 16

約数和(自身を含む): 94368000

約数和(自身を除く): 16827019

約数列:

[1, 7, 23, 49, 161, 343, 1127, 7889, 9829, 68803, 226067, 481621, 1582469, 3371347, 11077283, 77540981]

約数ペア:

[(1, 77540981), (7, 11077283), (23, 3371347), (49, 1582469), (161, 481621), (343, 226067), (1127, 68803), (7889, 9829)]