290431407

素因数分解:

$3^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{20249}}^1$

素因数の和:20942

約数の個数: 16

約数和(自身を含む): 443232000

約数和(自身を除く): 152800593

約数列:

[1, 3, 7, 21, 683, 2049, 4781, 14343, 20249, 60747, 141743, 425229, 13830067, 41490201, 96810469, 290431407]

約数ペア:

[(1, 290431407), (3, 96810469), (7, 41490201), (21, 13830067), (683, 425229), (2049, 141743), (4781, 60747), (14343, 20249)]