28708065

素因数分解:

$3^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1051}}^1$

素因数の和:1669

約数の個数: 24

約数和(自身を含む): 49890048

約数和(自身を除く): 21181983

約数列:

[1, 3, 5, 9, 15, 45, 607, 1051, 1821, 3035, 3153, 5255, 5463, 9105, 9459, 15765, 27315, 47295, 637957, 1913871, 3189785, 5741613, 9569355, 28708065]

約数ペア:

[(1, 28708065), (3, 9569355), (5, 5741613), (9, 3189785), (15, 1913871), (45, 637957), (607, 47295), (1051, 27315), (1821, 15765), (3035, 9459), (3153, 9105), (5255, 5463)]