16438767

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 24164352

約数和(自身を除く): 7725585

約数列:

[1, 3, 23, 37, 47, 69, 111, 137, 141, 411, 851, 1081, 1739, 2553, 3151, 3243, 5069, 5217, 6439, 9453, 15207, 19317, 39997, 116587, 119991, 148097, 238243, 349761, 444291, 714729, 5479589, 16438767]

約数ペア:

[(1, 16438767), (3, 5479589), (23, 714729), (37, 444291), (47, 349761), (69, 238243), (111, 148097), (137, 119991), (141, 116587), (411, 39997), (851, 19317), (1081, 15207), (1739, 9453), (2553, 6439), (3151, 5217), (3243, 5069)]