8991765

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{947}}^1$

素因数の和:1169

約数の個数: 24

約数和(自身を含む): 15676128

約数和(自身を除く): 6684363

約数列:

[1, 3, 5, 9, 15, 45, 211, 633, 947, 1055, 1899, 2841, 3165, 4735, 8523, 9495, 14205, 42615, 199817, 599451, 999085, 1798353, 2997255, 8991765]

約数ペア:

[(1, 8991765), (3, 2997255), (5, 1798353), (9, 999085), (15, 599451), (45, 199817), (211, 42615), (633, 14205), (947, 9495), (1055, 8523), (1899, 4735), (2841, 3165)]