81540447

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 116453376

約数和(自身を除く): 34912929

約数列:

[1, 3, 31, 53, 71, 93, 159, 213, 233, 699, 1643, 2201, 3763, 4929, 6603, 7223, 11289, 12349, 16543, 21669, 37047, 49629, 116653, 349959, 382819, 512833, 876779, 1148457, 1538499, 2630337, 27180149, 81540447]

約数ペア:

[(1, 81540447), (3, 27180149), (31, 2630337), (53, 1538499), (71, 1148457), (93, 876779), (159, 512833), (213, 382819), (233, 349959), (699, 116653), (1643, 49629), (2201, 37047), (3763, 21669), (4929, 16543), (6603, 12349), (7223, 11289)]