86156217

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:180

約数の個数: 80

約数和(自身を含む): 155561472

約数和(自身を除く): 69405255

約数列:

[1, 3, 7, 9, 21, 27, 47, 53, 61, 63, 81, 141, 159, 183, 189, 329, 371, 423, 427, 477, 549, 567, 987, 1113, 1269, 1281, 1431, 1647, 2491, 2867, 2961, 3233, 3339, 3807, 3843, 4293, 4941, 7473, 8601, 8883, 9699, 10017, 11529, 17437, 20069, 22419, 22631, 25803, 26649, 29097, 30051, 34587, 52311, 60207, 67257, 67893, 77409, 87291, 151951, 156933, 180621, 201771, 203679, 232227, 261873, 455853, 470799, 541863, 611037, 1063657, 1367559, 1412397, 1625589, 1833111, 3190971, 4102677, 9572913, 12308031, 28718739, 86156217]

約数ペア:

[(1, 86156217), (3, 28718739), (7, 12308031), (9, 9572913), (21, 4102677), (27, 3190971), (47, 1833111), (53, 1625589), (61, 1412397), (63, 1367559), (81, 1063657), (141, 611037), (159, 541863), (183, 470799), (189, 455853), (329, 261873), (371, 232227), (423, 203679), (427, 201771), (477, 180621), (549, 156933), (567, 151951), (987, 87291), (1113, 77409), (1269, 67893), (1281, 67257), (1431, 60207), (1647, 52311), (2491, 34587), (2867, 30051), (2961, 29097), (3233, 26649), (3339, 25803), (3807, 22631), (3843, 22419), (4293, 20069), (4941, 17437), (7473, 11529), (8601, 10017), (8883, 9699)]