78855405

素因数分解:

$3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{12487}}^1$

素因数の和:12916

約数の個数: 16

約数和(自身を含む): 126478464

約数和(自身を除く): 47623059

約数列:

[1, 3, 5, 15, 421, 1263, 2105, 6315, 12487, 37461, 62435, 187305, 5257027, 15771081, 26285135, 78855405]

約数ペア:

[(1, 78855405), (3, 26285135), (5, 15771081), (15, 5257027), (421, 187305), (1263, 62435), (2105, 37461), (6315, 12487)]