1978041

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{757}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 2886464

約数和(自身を除く): 908423

約数列:

[1, 3, 13, 39, 67, 201, 757, 871, 2271, 2613, 9841, 29523, 50719, 152157, 659347, 1978041]

約数ペア:

[(1, 1978041), (3, 659347), (13, 152157), (39, 50719), (67, 29523), (201, 9841), (757, 2613), (871, 2271)]