164890257

素因数分解:

$3^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{12809}}^1$

素因数の和:13432

約数の個数: 16

約数和(自身を含む): 251690880

約数和(自身を除く): 86800623

約数列:

[1, 3, 7, 21, 613, 1839, 4291, 12809, 12873, 38427, 89663, 268989, 7851917, 23555751, 54963419, 164890257]

約数ペア:

[(1, 164890257), (3, 54963419), (7, 23555751), (21, 7851917), (613, 268989), (1839, 89663), (4291, 38427), (12809, 12873)]