247942377

素因数分解:

$3^7\times {\mathrm{113371}}^1$

素因数の和:113392

約数の個数: 16

約数和(自身を含む): 371860160

約数和(自身を除く): 123917783

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 113371, 340113, 1020339, 3061017, 9183051, 27549153, 82647459, 247942377]

約数ペア:

[(1, 247942377), (3, 82647459), (9, 27549153), (27, 9183051), (81, 3061017), (243, 1020339), (729, 340113), (2187, 113371)]