7881213

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:464

約数の個数: 16

約数和(自身を含む): 10768896

約数和(自身を除く): 2887683

約数列:

[1, 3, 71, 163, 213, 227, 489, 681, 11573, 16117, 34719, 37001, 48351, 111003, 2627071, 7881213]

約数ペア:

[(1, 7881213), (3, 2627071), (71, 111003), (163, 48351), (213, 37001), (227, 34719), (489, 16117), (681, 11573)]