6561681

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7621}}^1$

素因数の和:7672

約数の個数: 16

約数和(自身を含む): 10243968

約数和(自身を除く): 3682287

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 7621, 22863, 53347, 160041, 312461, 937383, 2187227, 6561681]

約数ペア:

[(1, 6561681), (3, 2187227), (7, 937383), (21, 312461), (41, 160041), (123, 53347), (287, 22863), (861, 7621)]