81689238

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^3\times {\mathrm{373}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 185533920

約数和(自身を除く): 103844682

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 373, 414, 529, 746, 1058, 1119, 1587, 2238, 3174, 3357, 4761, 6714, 8579, 9522, 12167, 17158, 24334, 25737, 36501, 51474, 73002, 77211, 109503, 154422, 197317, 219006, 394634, 591951, 1183902, 1775853, 3551706, 4538291, 9076582, 13614873, 27229746, 40844619, 81689238]

約数ペア:

[(1, 81689238), (2, 40844619), (3, 27229746), (6, 13614873), (9, 9076582), (18, 4538291), (23, 3551706), (46, 1775853), (69, 1183902), (138, 591951), (207, 394634), (373, 219006), (414, 197317), (529, 154422), (746, 109503), (1058, 77211), (1119, 73002), (1587, 51474), (2238, 36501), (3174, 25737), (3357, 24334), (4761, 17158), (6714, 12167), (8579, 9522)]