81666453

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{977}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 126748800

約数和(自身を除く): 45082347

約数列:

[1, 3, 11, 17, 33, 51, 149, 187, 447, 561, 977, 1639, 2533, 2931, 4917, 7599, 10747, 16609, 27863, 32241, 49827, 83589, 145573, 182699, 436719, 548097, 1601303, 2474741, 4803909, 7424223, 27222151, 81666453]

約数ペア:

[(1, 81666453), (3, 27222151), (11, 7424223), (17, 4803909), (33, 2474741), (51, 1601303), (149, 548097), (187, 436719), (447, 182699), (561, 145573), (977, 83589), (1639, 49827), (2533, 32241), (2931, 27863), (4917, 16609), (7599, 10747)]