81865763

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1\times {\mathrm{1103}}^1$

素因数の和:1594

約数の個数: 16

約数和(自身を含む): 97929216

約数和(自身を除く): 16063453

約数列:

[1, 7, 23, 161, 461, 1103, 3227, 7721, 10603, 25369, 74221, 177583, 508483, 3559381, 11695109, 81865763]

約数ペア:

[(1, 81865763), (7, 11695109), (23, 3559381), (161, 508483), (461, 177583), (1103, 74221), (3227, 25369), (7721, 10603)]