8121771

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{941}}^1$

素因数の和:1091

約数の個数: 24

約数和(自身を含む): 13519584

約数和(自身を除く): 5397813

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 941, 959, 1233, 2823, 2877, 6587, 8469, 8631, 19761, 59283, 128917, 386751, 902419, 1160253, 2707257, 8121771]

約数ペア:

[(1, 8121771), (3, 2707257), (7, 1160253), (9, 902419), (21, 386751), (63, 128917), (137, 59283), (411, 19761), (941, 8631), (959, 8469), (1233, 6587), (2823, 2877)]