16560405

素因数分解:

$3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{971}}^1$

素因数の和:1361

約数の個数: 24

約数和(自身を含む): 28810080

約数和(自身を除く): 12249675

約数列:

[1, 3, 5, 9, 15, 45, 379, 971, 1137, 1895, 2913, 3411, 4855, 5685, 8739, 14565, 17055, 43695, 368009, 1104027, 1840045, 3312081, 5520135, 16560405]

約数ペア:

[(1, 16560405), (3, 5520135), (5, 3312081), (9, 1840045), (15, 1104027), (45, 368009), (379, 43695), (971, 17055), (1137, 14565), (1895, 8739), (2913, 5685), (3411, 4855)]