2989025955

素因数分解:

$3^4\times 5^1\times {\mathrm{7380311}}^1$

素因数の和:7380328

約数の個数: 20

約数和(自身を含む): 5358106512

約数和(自身を除く): 2369080557

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 7380311, 22140933, 36901555, 66422799, 110704665, 199268397, 332113995, 597805191, 996341985, 2989025955]

約数ペア:

[(1, 2989025955), (3, 996341985), (5, 597805191), (9, 332113995), (15, 199268397), (27, 110704665), (45, 66422799), (81, 36901555), (135, 22140933), (405, 7380311)]