2816289

素因数分解:

$3^4\times 7^1\times {\mathrm{4967}}^1$

素因数の和:4986

約数の個数: 20

約数和(自身を含む): 4809024

約数和(自身を除く): 1992735

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 4967, 14901, 34769, 44703, 104307, 134109, 312921, 402327, 938763, 2816289]

約数ペア:

[(1, 2816289), (3, 938763), (7, 402327), (9, 312921), (21, 134109), (27, 104307), (63, 44703), (81, 34769), (189, 14901), (567, 4967)]