721085121

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{821}}^1\times {\mathrm{4243}}^1$

素因数の和:5093

約数の個数: 24

約数和(自身を含む): 1088433216

約数和(自身を除く): 367348095

約数列:

[1, 3, 9, 23, 69, 207, 821, 2463, 4243, 7389, 12729, 18883, 38187, 56649, 97589, 169947, 292767, 878301, 3483503, 10450509, 31351527, 80120569, 240361707, 721085121]

約数ペア:

[(1, 721085121), (3, 240361707), (9, 80120569), (23, 31351527), (69, 10450509), (207, 3483503), (821, 878301), (2463, 292767), (4243, 169947), (7389, 97589), (12729, 56649), (18883, 38187)]