27731727

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{1979}}^1$

素因数の和:2164

約数の個数: 20

約数和(自身を含む): 41686920

約数和(自身を除く): 13955193

約数列:

[1, 3, 9, 27, 81, 173, 519, 1557, 1979, 4671, 5937, 14013, 17811, 53433, 160299, 342367, 1027101, 3081303, 9243909, 27731727]

約数ペア:

[(1, 27731727), (3, 9243909), (9, 3081303), (27, 1027101), (81, 342367), (173, 160299), (519, 53433), (1557, 17811), (1979, 14013), (4671, 5937)]