7967547

素因数分解:

$3^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 14040000

約数和(自身を除く): 6072453

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 89, 147, 203, 261, 267, 343, 441, 609, 623, 801, 1029, 1421, 1827, 1869, 2581, 3087, 4263, 4361, 5607, 7743, 9947, 12789, 13083, 18067, 23229, 29841, 30527, 39249, 54201, 89523, 91581, 126469, 162603, 274743, 379407, 885283, 1138221, 2655849, 7967547]

約数ペア:

[(1, 7967547), (3, 2655849), (7, 1138221), (9, 885283), (21, 379407), (29, 274743), (49, 162603), (63, 126469), (87, 91581), (89, 89523), (147, 54201), (203, 39249), (261, 30527), (267, 29841), (343, 23229), (441, 18067), (609, 13083), (623, 12789), (801, 9947), (1029, 7743), (1421, 5607), (1827, 4361), (1869, 4263), (2581, 3087)]