39997821

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{2791}}^1$

素因数の和:3092

約数の個数: 16

約数和(自身を含む): 56688768

約数和(自身を除く): 16690947

約数列:

[1, 3, 17, 51, 281, 843, 2791, 4777, 8373, 14331, 47447, 142341, 784271, 2352813, 13332607, 39997821]

約数ペア:

[(1, 39997821), (3, 13332607), (17, 2352813), (51, 784271), (281, 142341), (843, 47447), (2791, 14331), (4777, 8373)]