381909

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 16

約数和(自身を含む): 566784

約数和(自身を除く): 184875

約数列:

[1, 3, 11, 33, 71, 163, 213, 489, 781, 1793, 2343, 5379, 11573, 34719, 127303, 381909]

約数ペア:

[(1, 381909), (3, 127303), (11, 34719), (33, 11573), (71, 5379), (163, 2343), (213, 1793), (489, 781)]