221428413

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{31583}}^1$

素因数の和:31649

約数の個数: 24

約数和(自身を含む): 344897280

約数和(自身を除く): 123468867

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 2337, 7011, 31583, 94749, 284247, 600077, 1294903, 1800231, 3884709, 5400693, 11654127, 24603157, 73809471, 221428413]

約数ペア:

[(1, 221428413), (3, 73809471), (9, 24603157), (19, 11654127), (41, 5400693), (57, 3884709), (123, 1800231), (171, 1294903), (369, 600077), (779, 284247), (2337, 94749), (7011, 31583)]