270720289

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1\times {\mathrm{1231}}^1$

素因数の和:1680

約数の個数: 16

約数和(自身を含む): 314012160

約数和(自身を除く): 43291871

約数列:

[1, 7, 89, 353, 623, 1231, 2471, 8617, 31417, 109559, 219919, 434543, 766913, 3041801, 38674327, 270720289]

約数ペア:

[(1, 270720289), (7, 38674327), (89, 3041801), (353, 766913), (623, 434543), (1231, 219919), (2471, 109559), (8617, 31417)]