81887239

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{839}}^1$

素因数の和:1110

約数の個数: 16

約数和(自身を含む): 95477760

約数和(自身を除く): 13590521

約数列:

[1, 7, 73, 191, 511, 839, 1337, 5873, 13943, 61247, 97601, 160249, 428729, 1121743, 11698177, 81887239]

約数ペア:

[(1, 81887239), (7, 11698177), (73, 1121743), (191, 428729), (511, 160249), (839, 97601), (1337, 61247), (5873, 13943)]