251159589

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{3541}}^1$

素因数の和:3658

約数の個数: 32

約数和(自身を含む): 387636480

約数和(自身を除く): 136476891

約数列:

[1, 3, 9, 27, 37, 71, 111, 213, 333, 639, 999, 1917, 2627, 3541, 7881, 10623, 23643, 31869, 70929, 95607, 131017, 251411, 393051, 754233, 1179153, 2262699, 3537459, 6788097, 9302207, 27906621, 83719863, 251159589]

約数ペア:

[(1, 251159589), (3, 83719863), (9, 27906621), (27, 9302207), (37, 6788097), (71, 3537459), (111, 2262699), (213, 1179153), (333, 754233), (639, 393051), (999, 251411), (1917, 131017), (2627, 95607), (3541, 70929), (7881, 31869), (10623, 23643)]