12339945

素因数分解:

$3^4\times 5^1\times {\mathrm{30469}}^1$

素因数の和:30486

約数の個数: 20

約数和(自身を含む): 22121220

約数和(自身を除く): 9781275

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 30469, 91407, 152345, 274221, 457035, 822663, 1371105, 2467989, 4113315, 12339945]

約数ペア:

[(1, 12339945), (3, 4113315), (5, 2467989), (9, 1371105), (15, 822663), (27, 457035), (45, 274221), (81, 152345), (135, 91407), (405, 30469)]