156900807

素因数分解:

$3^4\times 7^1\times {\mathrm{276721}}^1$

素因数の和:276740

約数の個数: 20

約数和(自身を含む): 267866896

約数和(自身を除く): 110966089

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 276721, 830163, 1937047, 2490489, 5811141, 7471467, 17433423, 22414401, 52300269, 156900807]

約数ペア:

[(1, 156900807), (3, 52300269), (7, 22414401), (9, 17433423), (21, 7471467), (27, 5811141), (63, 2490489), (81, 1937047), (189, 830163), (567, 276721)]