1291245405

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1212437}}^1$

素因数の和:1212516

約数の個数: 16

約数和(自身を含む): 2095092864

約数和(自身を除く): 803847459

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 1212437, 3637311, 6062185, 18186555, 86083027, 258249081, 430415135, 1291245405]

約数ペア:

[(1, 1291245405), (3, 430415135), (5, 258249081), (15, 86083027), (71, 18186555), (213, 6062185), (355, 3637311), (1065, 1212437)]