81817197

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{1051}}^1$

素因数の和:1409

約数の個数: 32

約数和(自身を含む): 136541184

約数和(自身を除く): 54723987

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 337, 1011, 1051, 2359, 3153, 3707, 7077, 7357, 11121, 11561, 22071, 25949, 34683, 77847, 80927, 242781, 354187, 1062561, 2479309, 3896057, 7437927, 11688171, 27272399, 81817197]

約数ペア:

[(1, 81817197), (3, 27272399), (7, 11688171), (11, 7437927), (21, 3896057), (33, 2479309), (77, 1062561), (231, 354187), (337, 242781), (1011, 80927), (1051, 77847), (2359, 34683), (3153, 25949), (3707, 22071), (7077, 11561), (7357, 11121)]