12457821

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1783}}^1$

素因数の和:1940

約数の個数: 16

約数和(自身を含む): 17725824

約数和(自身を除く): 5268003

約数列:

[1, 3, 17, 51, 137, 411, 1783, 2329, 5349, 6987, 30311, 90933, 244271, 732813, 4152607, 12457821]

約数ペア:

[(1, 12457821), (3, 4152607), (17, 732813), (51, 244271), (137, 90933), (411, 30311), (1783, 6987), (2329, 5349)]