201421353

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{309403}}^1$

素因数の和:309444

約数の個数: 16

約数和(自身を含む): 316829696

約数和(自身を除く): 115408343

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 309403, 928209, 2165821, 6497463, 9591493, 28774479, 67140451, 201421353]

約数ペア:

[(1, 201421353), (3, 67140451), (7, 28774479), (21, 9591493), (31, 6497463), (93, 2165821), (217, 928209), (651, 309403)]