201231821

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{3931}}^1$

素因数の和:4112

約数の個数: 16

約数和(自身を含む): 235542528

約数和(自身を除く): 34310707

約数列:

[1, 7, 71, 103, 497, 721, 3931, 7313, 27517, 51191, 279101, 404893, 1953707, 2834251, 28747403, 201231821]

約数ペア:

[(1, 201231821), (7, 28747403), (71, 2834251), (103, 1953707), (497, 404893), (721, 279101), (3931, 51191), (7313, 27517)]