81157356

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{107351}}^1$

素因数の和:107371

約数の個数: 48

約数和(自身を含む): 240468480

約数和(自身を除く): 159311124

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, 107351, 214702, 322053, 429404, 644106, 751457, 966159, 1288212, 1502914, 1932318, 2254371, 2898477, 3005828, 3864636, 4508742, 5796954, 6763113, 9017484, 11593908, 13526226, 20289339, 27052452, 40578678, 81157356]

約数ペア:

[(1, 81157356), (2, 40578678), (3, 27052452), (4, 20289339), (6, 13526226), (7, 11593908), (9, 9017484), (12, 6763113), (14, 5796954), (18, 4508742), (21, 3864636), (27, 3005828), (28, 2898477), (36, 2254371), (42, 1932318), (54, 1502914), (63, 1288212), (84, 966159), (108, 751457), (126, 644106), (189, 429404), (252, 322053), (378, 214702), (756, 107351)]