27726985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 41636160

約数和(自身を除く): 13909175

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 157, 169, 209, 247, 715, 785, 845, 1045, 1235, 1727, 1859, 2041, 2717, 2983, 3211, 8635, 9295, 10205, 13585, 14915, 16055, 22451, 26533, 32813, 35321, 38779, 112255, 132665, 164065, 176605, 193895, 291863, 426569, 504127, 1459315, 2132845, 2520635, 5545397, 27726985]

約数ペア:

[(1, 27726985), (5, 5545397), (11, 2520635), (13, 2132845), (19, 1459315), (55, 504127), (65, 426569), (95, 291863), (143, 193895), (157, 176605), (169, 164065), (209, 132665), (247, 112255), (715, 38779), (785, 35321), (845, 32813), (1045, 26533), (1235, 22451), (1727, 16055), (1859, 14915), (2041, 13585), (2717, 10205), (2983, 9295), (3211, 8635)]