27720961779

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1451}}^1\times {\mathrm{22189}}^1$

素因数の和:23691

約数の個数: 32

約数和(自身を含む): 43303518720

約数和(自身を除く): 15582556941

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 1451, 4353, 10157, 22189, 30471, 59491, 66567, 155323, 178473, 416437, 465969, 909749, 1249311, 2729247, 6368243, 19104729, 32196239, 96588717, 225373673, 676121019, 1320045799, 3960137397, 9240320593, 27720961779]

約数ペア:

[(1, 27720961779), (3, 9240320593), (7, 3960137397), (21, 1320045799), (41, 676121019), (123, 225373673), (287, 96588717), (861, 32196239), (1451, 19104729), (4353, 6368243), (10157, 2729247), (22189, 1249311), (30471, 909749), (59491, 465969), (66567, 416437), (155323, 178473)]