27984933

素因数分解:

$3^4\times {\mathrm{439}}^1\times {\mathrm{787}}^1$

素因数の和:1238

約数の個数: 20

約数和(自身を含む): 41953120

約数和(自身を除く): 13968187

約数列:

[1, 3, 9, 27, 81, 439, 787, 1317, 2361, 3951, 7083, 11853, 21249, 35559, 63747, 345493, 1036479, 3109437, 9328311, 27984933]

約数ペア:

[(1, 27984933), (3, 9328311), (9, 3109437), (27, 1036479), (81, 345493), (439, 63747), (787, 35559), (1317, 21249), (2361, 11853), (3951, 7083)]