81151956

素因数分解:

$2^2\times 3^4\times {\mathrm{41}}^2\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 90

約数和(自身を含む): 218907150

約数和(自身を除く): 137755194

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 81, 82, 108, 123, 149, 162, 164, 246, 298, 324, 369, 447, 492, 596, 738, 894, 1107, 1341, 1476, 1681, 1788, 2214, 2682, 3321, 3362, 4023, 4428, 5043, 5364, 6109, 6642, 6724, 8046, 10086, 12069, 12218, 13284, 15129, 16092, 18327, 20172, 24138, 24436, 30258, 36654, 45387, 48276, 54981, 60516, 73308, 90774, 109962, 136161, 164943, 181548, 219924, 250469, 272322, 329886, 494829, 500938, 544644, 659772, 751407, 989658, 1001876, 1502814, 1979316, 2254221, 3005628, 4508442, 6762663, 9016884, 13525326, 20287989, 27050652, 40575978, 81151956]

約数ペア:

[(1, 81151956), (2, 40575978), (3, 27050652), (4, 20287989), (6, 13525326), (9, 9016884), (12, 6762663), (18, 4508442), (27, 3005628), (36, 2254221), (41, 1979316), (54, 1502814), (81, 1001876), (82, 989658), (108, 751407), (123, 659772), (149, 544644), (162, 500938), (164, 494829), (246, 329886), (298, 272322), (324, 250469), (369, 219924), (447, 181548), (492, 164943), (596, 136161), (738, 109962), (894, 90774), (1107, 73308), (1341, 60516), (1476, 54981), (1681, 48276), (1788, 45387), (2214, 36654), (2682, 30258), (3321, 24436), (3362, 24138), (4023, 20172), (4428, 18327), (5043, 16092), (5364, 15129), (6109, 13284), (6642, 12218), (6724, 12069), (8046, 10086)]