7929981

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{2083}}^1$

素因数の和:2142

約数の個数: 20

約数和(自身を含む): 12103872

約数和(自身を除く): 4173891

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 2083, 3807, 6249, 18747, 56241, 97901, 168723, 293703, 881109, 2643327, 7929981]

約数ペア:

[(1, 7929981), (3, 2643327), (9, 881109), (27, 293703), (47, 168723), (81, 97901), (141, 56241), (423, 18747), (1269, 6249), (2083, 3807)]