287347059

素因数分解:

$3^2\times {\mathrm{131}}^1\times {\mathrm{251}}^1\times {\mathrm{971}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 420323904

約数和(自身を除く): 132976845

約数列:

[1, 3, 9, 131, 251, 393, 753, 971, 1179, 2259, 2913, 8739, 32881, 98643, 127201, 243721, 295929, 381603, 731163, 1144809, 2193489, 31927451, 95782353, 287347059]

約数ペア:

[(1, 287347059), (3, 95782353), (9, 31927451), (131, 2193489), (251, 1144809), (393, 731163), (753, 381603), (971, 295929), (1179, 243721), (2259, 127201), (2913, 98643), (8739, 32881)]