81966276

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{108421}}^1$

素因数の和:108441

約数の個数: 48

約数和(自身を含む): 242865280

約数和(自身を除く): 160899004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 108421, 216842, 325263, 433684, 650526, 758947, 975789, 1301052, 1517894, 1951578, 2276841, 2927367, 3035788, 3903156, 4553682, 5854734, 6830523, 9107364, 11709468, 13661046, 20491569, 27322092, 40983138, 81966276]

約数ペア:

[(1, 81966276), (2, 40983138), (3, 27322092), (4, 20491569), (6, 13661046), (7, 11709468), (9, 9107364), (12, 6830523), (14, 5854734), (18, 4553682), (21, 3903156), (27, 3035788), (28, 2927367), (36, 2276841), (42, 1951578), (54, 1517894), (63, 1301052), (84, 975789), (108, 758947), (126, 650526), (189, 433684), (252, 325263), (378, 216842), (756, 108421)]