12555999

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{20219}}^1$

素因数の和:20251

約数の個数: 16

約数和(自身を含む): 19411200

約数和(自身を除く): 6855201

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 20219, 60657, 181971, 465037, 545913, 1395111, 4185333, 12555999]

約数ペア:

[(1, 12555999), (3, 4185333), (9, 1395111), (23, 545913), (27, 465037), (69, 181971), (207, 60657), (621, 20219)]