15720858

素因数分解:

$2^1\times 3^3\times {\mathrm{277}}^1\times {\mathrm{1051}}^1$

素因数の和:1339

約数の個数: 32

約数和(自身を含む): 35094720

約数和(自身を除く): 19373862

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 277, 554, 831, 1051, 1662, 2102, 2493, 3153, 4986, 6306, 7479, 9459, 14958, 18918, 28377, 56754, 291127, 582254, 873381, 1746762, 2620143, 5240286, 7860429, 15720858]

約数ペア:

[(1, 15720858), (2, 7860429), (3, 5240286), (6, 2620143), (9, 1746762), (18, 873381), (27, 582254), (54, 291127), (277, 56754), (554, 28377), (831, 18918), (1051, 14958), (1662, 9459), (2102, 7479), (2493, 6306), (3153, 4986)]