1304505

素因数分解:

$3^4\times 5^1\times {\mathrm{3221}}^1$

素因数の和:3238

約数の個数: 20

約数和(自身を含む): 2339172

約数和(自身を除く): 1034667

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3221, 9663, 16105, 28989, 48315, 86967, 144945, 260901, 434835, 1304505]

約数ペア:

[(1, 1304505), (3, 434835), (5, 260901), (9, 144945), (15, 86967), (27, 48315), (45, 28989), (81, 16105), (135, 9663), (405, 3221)]