649958397

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{257}}^1\times {\mathrm{6967}}^1$

素因数の和:7249

約数の個数: 24

約数和(自身を含む): 956399808

約数和(自身を除く): 306441411

約数列:

[1, 3, 11, 33, 121, 257, 363, 771, 2827, 6967, 8481, 20901, 31097, 76637, 93291, 229911, 843007, 1790519, 2529021, 5371557, 19695709, 59087127, 216652799, 649958397]

約数ペア:

[(1, 649958397), (3, 216652799), (11, 59087127), (33, 19695709), (121, 5371557), (257, 2529021), (363, 1790519), (771, 843007), (2827, 229911), (6967, 93291), (8481, 76637), (20901, 31097)]