80638719

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1277}}^1$

素因数の和:1415

約数の個数: 32

約数和(自身を含む): 128249856

約数和(自身を除く): 47611137

約数列:

[1, 3, 7, 21, 31, 93, 97, 217, 291, 651, 679, 1277, 2037, 3007, 3831, 8939, 9021, 21049, 26817, 39587, 63147, 118761, 123869, 277109, 371607, 831327, 867083, 2601249, 3839939, 11519817, 26879573, 80638719]

約数ペア:

[(1, 80638719), (3, 26879573), (7, 11519817), (21, 3839939), (31, 2601249), (93, 867083), (97, 831327), (217, 371607), (291, 277109), (651, 123869), (679, 118761), (1277, 63147), (2037, 39587), (3007, 26817), (3831, 21049), (8939, 9021)]