399170097981

素因数分解:

$3^4\times {\mathrm{128431}}^1\times {\mathrm{38371}}^1$

素因数の和:166814

約数の個数: 20

約数和(自身を含む): 596311317184

約数和(自身を除く): 197141219203

約数列:

[1, 3, 9, 27, 81, 38371, 115113, 128431, 345339, 385293, 1036017, 1155879, 3108051, 3467637, 10402911, 4928025901, 14784077703, 44352233109, 133056699327, 399170097981]

約数ペア:

[(1, 399170097981), (3, 133056699327), (9, 44352233109), (27, 14784077703), (81, 4928025901), (38371, 10402911), (115113, 3467637), (128431, 3108051), (345339, 1155879), (385293, 1036017)]