3105945

素因数分解:

$3^4\times 5^1\times {\mathrm{7669}}^1$

素因数の和:7686

約数の個数: 20

約数和(自身を含む): 5568420

約数和(自身を除く): 2462475

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 7669, 23007, 38345, 69021, 115035, 207063, 345105, 621189, 1035315, 3105945]

約数ペア:

[(1, 3105945), (3, 1035315), (5, 621189), (9, 345105), (15, 207063), (27, 115035), (45, 69021), (81, 38345), (135, 23007), (405, 7669)]