91281789

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2801}}^1$

素因数の和:2898

約数の個数: 32

約数和(自身を含む): 145255680

約数和(自身を除く): 53973891

約数列:

[1, 3, 9, 17, 27, 51, 71, 153, 213, 459, 639, 1207, 1917, 2801, 3621, 8403, 10863, 25209, 32589, 47617, 75627, 142851, 198871, 428553, 596613, 1285659, 1789839, 3380807, 5369517, 10142421, 30427263, 91281789]

約数ペア:

[(1, 91281789), (3, 30427263), (9, 10142421), (17, 5369517), (27, 3380807), (51, 1789839), (71, 1285659), (153, 596613), (213, 428553), (459, 198871), (639, 142851), (1207, 75627), (1917, 47617), (2801, 32589), (3621, 25209), (8403, 10863)]