257438931

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1\times {\mathrm{6047}}^1$

素因数の和:6690

約数の個数: 16

約数和(自身を含む): 358815744

約数和(自身を除く): 101376813

約数列:

[1, 3, 23, 69, 617, 1851, 6047, 14191, 18141, 42573, 139081, 417243, 3730999, 11192997, 85812977, 257438931]

約数ペア:

[(1, 257438931), (3, 85812977), (23, 11192997), (69, 3730999), (617, 417243), (1851, 139081), (6047, 42573), (14191, 18141)]