81976431

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2729}}^1$

素因数の和:2799

約数の個数: 32

約数和(自身を含む): 125798400

約数和(自身を除く): 43821969

約数列:

[1, 3, 17, 19, 31, 51, 57, 93, 323, 527, 589, 969, 1581, 1767, 2729, 8187, 10013, 30039, 46393, 51851, 84599, 139179, 155553, 253797, 881467, 1438183, 1607381, 2644401, 4314549, 4822143, 27325477, 81976431]

約数ペア:

[(1, 81976431), (3, 27325477), (17, 4822143), (19, 4314549), (31, 2644401), (51, 1607381), (57, 1438183), (93, 881467), (323, 253797), (527, 155553), (589, 139179), (969, 84599), (1581, 51851), (1767, 46393), (2729, 30039), (8187, 10013)]