1290639

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1499}}^1$

素因数の和:1550

約数の個数: 16

約数和(自身を含む): 2016000

約数和(自身を除く): 725361

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 1499, 4497, 10493, 31479, 61459, 184377, 430213, 1290639]

約数ペア:

[(1, 1290639), (3, 430213), (7, 184377), (21, 61459), (41, 31479), (123, 10493), (287, 4497), (861, 1499)]