81408456

素因数分解:

$2^3\times 3^3\times {\mathrm{376891}}^1$

素因数の和:376906

約数の個数: 32

約数和(自身を含む): 226135200

約数和(自身を除く): 144726744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 376891, 753782, 1130673, 1507564, 2261346, 3015128, 3392019, 4522692, 6784038, 9045384, 10176057, 13568076, 20352114, 27136152, 40704228, 81408456]

約数ペア:

[(1, 81408456), (2, 40704228), (3, 27136152), (4, 20352114), (6, 13568076), (8, 10176057), (9, 9045384), (12, 6784038), (18, 4522692), (24, 3392019), (27, 3015128), (36, 2261346), (54, 1507564), (72, 1130673), (108, 753782), (216, 376891)]