856554579

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{347}}^1\times {\mathrm{3863}}^1$

素因数の和:4287

約数の個数: 24

約数和(自身を含む): 1258612992

約数和(自身を除く): 402058413

約数列:

[1, 3, 9, 71, 213, 347, 639, 1041, 3123, 3863, 11589, 24637, 34767, 73911, 221733, 274273, 822819, 1340461, 2468457, 4021383, 12064149, 95172731, 285518193, 856554579]

約数ペア:

[(1, 856554579), (3, 285518193), (9, 95172731), (71, 12064149), (213, 4021383), (347, 2468457), (639, 1340461), (1041, 822819), (3123, 274273), (3863, 221733), (11589, 73911), (24637, 34767)]