87156531

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4057}}^1$

素因数の和:4112

約数の個数: 48

約数和(自身を含む): 162060288

約数和(自身を除く): 74903757

約数列:

[1, 3, 7, 9, 11, 21, 31, 33, 63, 77, 93, 99, 217, 231, 279, 341, 651, 693, 1023, 1953, 2387, 3069, 4057, 7161, 12171, 21483, 28399, 36513, 44627, 85197, 125767, 133881, 255591, 312389, 377301, 401643, 880369, 937167, 1131903, 1383437, 2641107, 2811501, 4150311, 7923321, 9684059, 12450933, 29052177, 87156531]

約数ペア:

[(1, 87156531), (3, 29052177), (7, 12450933), (9, 9684059), (11, 7923321), (21, 4150311), (31, 2811501), (33, 2641107), (63, 1383437), (77, 1131903), (93, 937167), (99, 880369), (217, 401643), (231, 377301), (279, 312389), (341, 255591), (651, 133881), (693, 125767), (1023, 85197), (1953, 44627), (2387, 36513), (3069, 28399), (4057, 21483), (7161, 12171)]