25813359

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 45287424

約数和(自身を除く): 19474065

約数列:

[1, 3, 9, 11, 13, 31, 33, 39, 93, 99, 117, 143, 279, 341, 403, 429, 647, 1023, 1209, 1287, 1941, 3069, 3627, 4433, 5823, 7117, 8411, 13299, 20057, 21351, 25233, 39897, 60171, 64053, 75699, 92521, 180513, 220627, 260741, 277563, 661881, 782223, 832689, 1985643, 2346669, 2868151, 8604453, 25813359]

約数ペア:

[(1, 25813359), (3, 8604453), (9, 2868151), (11, 2346669), (13, 1985643), (31, 832689), (33, 782223), (39, 661881), (93, 277563), (99, 260741), (117, 220627), (143, 180513), (279, 92521), (341, 75699), (403, 64053), (429, 60171), (647, 39897), (1023, 25233), (1209, 21351), (1287, 20057), (1941, 13299), (3069, 8411), (3627, 7117), (4433, 5823)]