81031266

素因数分解:

$2^1\times 3^6\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:542

約数の個数: 56

約数和(自身を含む): 183951900

約数和(自身を除く): 102920634

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 149, 162, 243, 298, 373, 447, 486, 729, 746, 894, 1119, 1341, 1458, 2238, 2682, 3357, 4023, 6714, 8046, 10071, 12069, 20142, 24138, 30213, 36207, 55577, 60426, 72414, 90639, 108621, 111154, 166731, 181278, 217242, 271917, 333462, 500193, 543834, 1000386, 1500579, 3001158, 4501737, 9003474, 13505211, 27010422, 40515633, 81031266]

約数ペア:

[(1, 81031266), (2, 40515633), (3, 27010422), (6, 13505211), (9, 9003474), (18, 4501737), (27, 3001158), (54, 1500579), (81, 1000386), (149, 543834), (162, 500193), (243, 333462), (298, 271917), (373, 217242), (447, 181278), (486, 166731), (729, 111154), (746, 108621), (894, 90639), (1119, 72414), (1341, 60426), (1458, 55577), (2238, 36207), (2682, 30213), (3357, 24138), (4023, 20142), (6714, 12069), (8046, 10071)]