8887851

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1987}}^1$

素因数の和:2071

約数の個数: 24

約数和(自身を含む): 14886144

約数和(自身を除く): 5998293

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 1987, 4473, 5961, 13909, 17883, 41727, 125181, 141077, 423231, 987539, 1269693, 2962617, 8887851]

約数ペア:

[(1, 8887851), (3, 2962617), (7, 1269693), (9, 987539), (21, 423231), (63, 141077), (71, 125181), (213, 41727), (497, 17883), (639, 13909), (1491, 5961), (1987, 4473)]