42821987

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{701}}^1$

素因数の和:878

約数の個数: 16

約数和(自身を含む): 47803392

約数和(自身を除く): 4981405

約数列:

[1, 13, 37, 127, 481, 701, 1651, 4699, 9113, 25937, 61087, 89027, 337181, 1157351, 3293999, 42821987]

約数ペア:

[(1, 42821987), (13, 3293999), (37, 1157351), (127, 337181), (481, 89027), (701, 61087), (1651, 25937), (4699, 9113)]