81856887

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{1373}}^1$

素因数の和:1567

約数の個数: 32

約数和(自身を含む): 132959232

約数和(自身を除く): 51102345

約数列:

[1, 3, 7, 17, 21, 51, 119, 167, 357, 501, 1169, 1373, 2839, 3507, 4119, 8517, 9611, 19873, 23341, 28833, 59619, 70023, 163387, 229291, 490161, 687873, 1605037, 3897947, 4815111, 11693841, 27285629, 81856887]

約数ペア:

[(1, 81856887), (3, 27285629), (7, 11693841), (17, 4815111), (21, 3897947), (51, 1605037), (119, 687873), (167, 490161), (357, 229291), (501, 163387), (1169, 70023), (1373, 59619), (2839, 28833), (3507, 23341), (4119, 19873), (8517, 9611)]