49209867

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 87360000

約数和(自身を除く): 38150133

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 343, 399, 441, 839, 931, 1029, 1197, 2517, 2793, 3087, 5873, 6517, 7551, 8379, 15941, 17619, 19551, 41111, 47823, 52857, 58653, 111587, 123333, 143469, 287777, 334761, 369999, 781109, 863331, 1004283, 2343327, 2589993, 5467763, 7029981, 16403289, 49209867]

約数ペア:

[(1, 49209867), (3, 16403289), (7, 7029981), (9, 5467763), (19, 2589993), (21, 2343327), (49, 1004283), (57, 863331), (63, 781109), (133, 369999), (147, 334761), (171, 287777), (343, 143469), (399, 123333), (441, 111587), (839, 58653), (931, 52857), (1029, 47823), (1197, 41111), (2517, 19551), (2793, 17619), (3087, 15941), (5873, 8379), (6517, 7551)]