25573689

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 37752000

約数和(自身を除く): 12178311

約数列:

[1, 3, 9, 109, 131, 199, 327, 393, 597, 981, 1179, 1791, 14279, 21691, 26069, 42837, 65073, 78207, 128511, 195219, 234621, 2841521, 8524563, 25573689]

約数ペア:

[(1, 25573689), (3, 8524563), (9, 2841521), (109, 234621), (131, 195219), (199, 128511), (327, 78207), (393, 65073), (597, 42837), (981, 26069), (1179, 21691), (1791, 14279)]