55877787

素因数分解:

$3^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:837

約数の個数: 48

約数和(自身を含む): 98342400

約数和(自身を除く): 42464613

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 343, 441, 483, 787, 1029, 1127, 1449, 2361, 3087, 3381, 5509, 7083, 7889, 10143, 16527, 18101, 23667, 38563, 49581, 54303, 71001, 115689, 126707, 162909, 269941, 347067, 380121, 809823, 886949, 1140363, 2429469, 2660847, 6208643, 7982541, 18625929, 55877787]

約数ペア:

[(1, 55877787), (3, 18625929), (7, 7982541), (9, 6208643), (21, 2660847), (23, 2429469), (49, 1140363), (63, 886949), (69, 809823), (147, 380121), (161, 347067), (207, 269941), (343, 162909), (441, 126707), (483, 115689), (787, 71001), (1029, 54303), (1127, 49581), (1449, 38563), (2361, 23667), (3087, 18101), (3381, 16527), (5509, 10143), (7083, 7889)]