87128769

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{727}}^1$

素因数の和:1189

約数の個数: 32

約数和(自身を含む): 143503360

約数和(自身を除く): 56374591

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 439, 727, 1317, 2181, 3073, 5089, 5707, 9219, 9451, 15267, 17121, 28353, 39949, 66157, 119847, 198471, 319153, 957459, 2234071, 4148989, 6702213, 12446967, 29042923, 87128769]

約数ペア:

[(1, 87128769), (3, 29042923), (7, 12446967), (13, 6702213), (21, 4148989), (39, 2234071), (91, 957459), (273, 319153), (439, 198471), (727, 119847), (1317, 66157), (2181, 39949), (3073, 28353), (5089, 17121), (5707, 15267), (9219, 9451)]