181877886

素因数分解:

$2^1\times 3^4\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:391

約数の個数: 80

約数和(自身を含む): 422619120

約数和(自身を除く): 240741234

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 139, 162, 197, 246, 278, 369, 394, 417, 591, 738, 834, 1107, 1182, 1251, 1773, 2214, 2502, 3321, 3546, 3753, 5319, 5699, 6642, 7506, 8077, 10638, 11259, 11398, 15957, 16154, 17097, 22518, 24231, 27383, 31914, 34194, 48462, 51291, 54766, 72693, 82149, 102582, 145386, 153873, 164298, 218079, 246447, 307746, 436158, 461619, 492894, 654237, 739341, 923238, 1122703, 1308474, 1478682, 2218023, 2245406, 3368109, 4436046, 6736218, 10104327, 20208654, 30312981, 60625962, 90938943, 181877886]

約数ペア:

[(1, 181877886), (2, 90938943), (3, 60625962), (6, 30312981), (9, 20208654), (18, 10104327), (27, 6736218), (41, 4436046), (54, 3368109), (81, 2245406), (82, 2218023), (123, 1478682), (139, 1308474), (162, 1122703), (197, 923238), (246, 739341), (278, 654237), (369, 492894), (394, 461619), (417, 436158), (591, 307746), (738, 246447), (834, 218079), (1107, 164298), (1182, 153873), (1251, 145386), (1773, 102582), (2214, 82149), (2502, 72693), (3321, 54766), (3546, 51291), (3753, 48462), (5319, 34194), (5699, 31914), (6642, 27383), (7506, 24231), (8077, 22518), (10638, 17097), (11259, 16154), (11398, 15957)]