15661903761

素因数分解:

$3^2\times 7^3\times {\mathrm{491}}^1\times {\mathrm{10333}}^1$

素因数の和:10851

約数の個数: 48

約数和(自身を含む): 26438505600

約数和(自身を除く): 10776601839

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 491, 1029, 1473, 3087, 3437, 4419, 10311, 10333, 24059, 30933, 30999, 72177, 72331, 92997, 168413, 216531, 216993, 505239, 506317, 650979, 1515717, 1518951, 3544219, 4556853, 5073503, 10632657, 15220509, 31897971, 35514521, 45661527, 106543563, 248601647, 319630689, 745804941, 1740211529, 2237414823, 5220634587, 15661903761]

約数ペア:

[(1, 15661903761), (3, 5220634587), (7, 2237414823), (9, 1740211529), (21, 745804941), (49, 319630689), (63, 248601647), (147, 106543563), (343, 45661527), (441, 35514521), (491, 31897971), (1029, 15220509), (1473, 10632657), (3087, 5073503), (3437, 4556853), (4419, 3544219), (10311, 1518951), (10333, 1515717), (24059, 650979), (30933, 506317), (30999, 505239), (72177, 216993), (72331, 216531), (92997, 168413)]