81271491

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{983}}^1$

素因数の和:1151

約数の個数: 32

約数和(自身を含む): 128974848

約数和(自身を除く): 47703357

約数列:

[1, 3, 7, 21, 31, 93, 127, 217, 381, 651, 889, 983, 2667, 2949, 3937, 6881, 11811, 20643, 27559, 30473, 82677, 91419, 124841, 213311, 374523, 639933, 873887, 2621661, 3870071, 11610213, 27090497, 81271491]

約数ペア:

[(1, 81271491), (3, 27090497), (7, 11610213), (21, 3870071), (31, 2621661), (93, 873887), (127, 639933), (217, 374523), (381, 213311), (651, 124841), (889, 91419), (983, 82677), (2667, 30473), (2949, 27559), (3937, 20643), (6881, 11811)]