81503784

素因数分解:

$2^3\times 3^2\times {\mathrm{1131997}}^1$

素因数の和:1132009

約数の個数: 24

約数和(自身を含む): 220739610

約数和(自身を除く): 139235826

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1131997, 2263994, 3395991, 4527988, 6791982, 9055976, 10187973, 13583964, 20375946, 27167928, 40751892, 81503784]

約数ペア:

[(1, 81503784), (2, 40751892), (3, 27167928), (4, 20375946), (6, 13583964), (8, 10187973), (9, 9055976), (12, 6791982), (18, 4527988), (24, 3395991), (36, 2263994), (72, 1131997)]