128748045321

素因数分解:

$3^5\times 7^2\times {\mathrm{71}}^1\times {\mathrm{152293}}^1$

素因数の和:152393

約数の個数: 72

約数和(自身を含む): 227505305664

約数和(自身を除く): 98757260343

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 71, 81, 147, 189, 213, 243, 441, 497, 567, 639, 1323, 1491, 1701, 1917, 3479, 3969, 4473, 5751, 10437, 11907, 13419, 17253, 31311, 40257, 93933, 120771, 152293, 281799, 456879, 845397, 1066051, 1370637, 3198153, 4111911, 7462357, 9594459, 10812803, 12335733, 22387071, 28783377, 32438409, 37007199, 67161213, 75689621, 86350131, 97315227, 201483639, 227068863, 259050393, 291945681, 529827347, 604450917, 681206589, 875837043, 1589482041, 1813352751, 2043619767, 2627511129, 4768446123, 6130859301, 14305338369, 18392577903, 42916015107, 128748045321]

約数ペア:

[(1, 128748045321), (3, 42916015107), (7, 18392577903), (9, 14305338369), (21, 6130859301), (27, 4768446123), (49, 2627511129), (63, 2043619767), (71, 1813352751), (81, 1589482041), (147, 875837043), (189, 681206589), (213, 604450917), (243, 529827347), (441, 291945681), (497, 259050393), (567, 227068863), (639, 201483639), (1323, 97315227), (1491, 86350131), (1701, 75689621), (1917, 67161213), (3479, 37007199), (3969, 32438409), (4473, 28783377), (5751, 22387071), (10437, 12335733), (11907, 10812803), (13419, 9594459), (17253, 7462357), (31311, 4111911), (40257, 3198153), (93933, 1370637), (120771, 1066051), (152293, 845397), (281799, 456879)]