8420727

素因数分解:

$3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1427}}^1$

素因数の和:1718

約数の個数: 16

約数和(自身を含む): 12886272

約数和(自身を除く): 4465545

約数列:

[1, 3, 7, 21, 281, 843, 1427, 1967, 4281, 5901, 9989, 29967, 400987, 1202961, 2806909, 8420727]

約数ペア:

[(1, 8420727), (3, 2806909), (7, 1202961), (21, 400987), (281, 29967), (843, 9989), (1427, 5901), (1967, 4281)]