20131781157

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{27487}}^1\times {\mathrm{4787}}^1$

素因数の和:32297

約数の個数: 24

約数和(自身を含む): 30797335296

約数和(自身を除く): 10665554139

約数列:

[1, 3, 9, 17, 51, 153, 4787, 14361, 27487, 43083, 81379, 82461, 244137, 247383, 467279, 732411, 1401837, 4205511, 131580269, 394740807, 1184222421, 2236864573, 6710593719, 20131781157]

約数ペア:

[(1, 20131781157), (3, 6710593719), (9, 2236864573), (17, 1184222421), (51, 394740807), (153, 131580269), (4787, 4205511), (14361, 1401837), (27487, 732411), (43083, 467279), (81379, 247383), (82461, 244137)]