28137339

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{379}}^1$

素因数の和:571

約数の個数: 24

約数和(自身を含む): 41673840

約数和(自身を除く): 13536501

約数列:

[1, 3, 9, 73, 113, 219, 339, 379, 657, 1017, 1137, 3411, 8249, 24747, 27667, 42827, 74241, 83001, 128481, 249003, 385443, 3126371, 9379113, 28137339]

約数ペア:

[(1, 28137339), (3, 9379113), (9, 3126371), (73, 385443), (113, 249003), (219, 128481), (339, 83001), (379, 74241), (657, 42827), (1017, 27667), (1137, 24747), (3411, 8249)]