8676981

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 13089024

約数和(自身を除く): 4412043

約数列:

[1, 3, 9, 37, 71, 111, 213, 333, 367, 639, 1101, 2627, 3303, 7881, 13579, 23643, 26057, 40737, 78171, 122211, 234513, 964109, 2892327, 8676981]

約数ペア:

[(1, 8676981), (3, 2892327), (9, 964109), (37, 234513), (71, 122211), (111, 78171), (213, 40737), (333, 26057), (367, 23643), (639, 13579), (1101, 7881), (2627, 3303)]