12870081

素因数分解:

$3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{727}}^1$

素因数の和:1021

約数の個数: 24

約数和(自身を含む): 21350784

約数和(自身を除く): 8480703

約数列:

[1, 3, 7, 9, 21, 63, 281, 727, 843, 1967, 2181, 2529, 5089, 5901, 6543, 15267, 17703, 45801, 204287, 612861, 1430009, 1838583, 4290027, 12870081]

約数ペア:

[(1, 12870081), (3, 4290027), (7, 1838583), (9, 1430009), (21, 612861), (63, 204287), (281, 45801), (727, 17703), (843, 15267), (1967, 6543), (2181, 5901), (2529, 5089)]