12279981

素因数分解:

$3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2081}}^1$

素因数の和:2372

約数の個数: 16

約数和(自身を含む): 18787968

約数和(自身を除く): 6507987

約数列:

[1, 3, 7, 21, 281, 843, 1967, 2081, 5901, 6243, 14567, 43701, 584761, 1754283, 4093327, 12279981]

約数ペア:

[(1, 12279981), (3, 4093327), (7, 1754283), (21, 584761), (281, 43701), (843, 14567), (1967, 6243), (2081, 5901)]