81271656

素因数分解:

$2^3\times 3^2\times {\mathrm{1128773}}^1$

素因数の和:1128785

約数の個数: 24

約数和(自身を含む): 220110930

約数和(自身を除く): 138839274

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1128773, 2257546, 3386319, 4515092, 6772638, 9030184, 10158957, 13545276, 20317914, 27090552, 40635828, 81271656]

約数ペア:

[(1, 81271656), (2, 40635828), (3, 27090552), (4, 20317914), (6, 13545276), (8, 10158957), (9, 9030184), (12, 6772638), (18, 4515092), (24, 3386319), (36, 2257546), (72, 1128773)]