78563121

素因数分解:

$3^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{839}}^1$

素因数の和:883

約数の個数: 40

約数和(自身を含む): 131759040

約数和(自身を除く): 53195919

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 839, 1029, 1911, 2401, 2517, 4459, 5873, 7203, 10907, 13377, 17619, 31213, 32721, 41111, 76349, 93639, 123333, 229047, 287777, 534443, 863331, 1603329, 2014439, 3741101, 6043317, 11223303, 26187707, 78563121]

約数ペア:

[(1, 78563121), (3, 26187707), (7, 11223303), (13, 6043317), (21, 3741101), (39, 2014439), (49, 1603329), (91, 863331), (147, 534443), (273, 287777), (343, 229047), (637, 123333), (839, 93639), (1029, 76349), (1911, 41111), (2401, 32721), (2517, 31213), (4459, 17619), (5873, 13377), (7203, 10907)]