71578287

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 118250496

約数和(自身を除く): 46672209

約数列:

[1, 3, 9, 11, 31, 33, 83, 93, 99, 249, 279, 281, 341, 747, 843, 913, 1023, 2529, 2573, 2739, 3069, 3091, 7719, 8217, 8711, 9273, 23157, 23323, 26133, 27819, 28303, 69969, 78399, 84909, 95821, 209907, 254727, 256553, 287463, 723013, 769659, 862389, 2169039, 2308977, 6507117, 7953143, 23859429, 71578287]

約数ペア:

[(1, 71578287), (3, 23859429), (9, 7953143), (11, 6507117), (31, 2308977), (33, 2169039), (83, 862389), (93, 769659), (99, 723013), (249, 287463), (279, 256553), (281, 254727), (341, 209907), (747, 95821), (843, 84909), (913, 78399), (1023, 69969), (2529, 28303), (2573, 27819), (2739, 26133), (3069, 23323), (3091, 23157), (7719, 9273), (8217, 8711)]