2143521

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 3278184

約数和(自身を除く): 1134663

約数列:

[1, 3, 9, 37, 41, 111, 123, 157, 333, 369, 471, 1413, 1517, 4551, 5809, 6437, 13653, 17427, 19311, 52281, 57933, 238169, 714507, 2143521]

約数ペア:

[(1, 2143521), (3, 714507), (9, 238169), (37, 57933), (41, 52281), (111, 19311), (123, 17427), (157, 13653), (333, 6437), (369, 5809), (471, 4551), (1413, 1517)]