81138085

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79939}}^1$

素因数の和:79980

約数の個数: 16

約数和(自身を含む): 115113600

約数和(自身を除く): 33975515

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 79939, 399695, 559573, 2318231, 2797865, 11591155, 16227617, 81138085]

約数ペア:

[(1, 81138085), (5, 16227617), (7, 11591155), (29, 2797865), (35, 2318231), (145, 559573), (203, 399695), (1015, 79939)]