80385543

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{31121}}^1$

素因数の和:31175

約数の個数: 24

約数和(自身を含む): 135940896

約数和(自身を除く): 55555353

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 31121, 93363, 217847, 280089, 653541, 1275961, 1960623, 3827883, 8931727, 11483649, 26795181, 80385543]

約数ペア:

[(1, 80385543), (3, 26795181), (7, 11483649), (9, 8931727), (21, 3827883), (41, 1960623), (63, 1275961), (123, 653541), (287, 280089), (369, 217847), (861, 93363), (2583, 31121)]