1986615

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{337}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 3480048

約数和(自身を除く): 1493433

約数列:

[1, 3, 5, 9, 15, 45, 131, 337, 393, 655, 1011, 1179, 1685, 1965, 3033, 5055, 5895, 15165, 44147, 132441, 220735, 397323, 662205, 1986615]

約数ペア:

[(1, 1986615), (3, 662205), (5, 397323), (9, 220735), (15, 132441), (45, 44147), (131, 15165), (337, 5895), (393, 5055), (655, 3033), (1011, 1965), (1179, 1685)]