217712919

素因数分解:

$3^1\times {\mathrm{113}}^1\times {\mathrm{557}}^1\times {\mathrm{1153}}^1$

素因数の和:1826

約数の個数: 16

約数和(自身を含む): 293632992

約数和(自身を除く): 75920073

約数列:

[1, 3, 113, 339, 557, 1153, 1671, 3459, 62941, 130289, 188823, 390867, 642221, 1926663, 72570973, 217712919]

約数ペア:

[(1, 217712919), (3, 72570973), (113, 1926663), (339, 642221), (557, 390867), (1153, 188823), (1671, 130289), (3459, 62941)]