2638689

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1669}}^1$

素因数の和:1720

約数の個数: 16

約数和(自身を含む): 3847680

約数和(自身を除く): 1208991

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 1669, 5007, 28373, 51739, 85119, 155217, 879563, 2638689]

約数ペア:

[(1, 2638689), (3, 879563), (17, 155217), (31, 85119), (51, 51739), (93, 28373), (527, 5007), (1581, 1669)]