204786561

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1\times {\mathrm{347}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 316707840

約数和(自身を除く): 111921279

約数列:

[1, 3, 7, 21, 157, 179, 347, 471, 537, 1041, 1099, 1253, 2429, 3297, 3759, 7287, 28103, 54479, 62113, 84309, 163437, 186339, 196721, 381353, 434791, 590163, 1144059, 1304373, 9751741, 29255223, 68262187, 204786561]

約数ペア:

[(1, 204786561), (3, 68262187), (7, 29255223), (21, 9751741), (157, 1304373), (179, 1144059), (347, 590163), (471, 434791), (537, 381353), (1041, 196721), (1099, 186339), (1253, 163437), (2429, 84309), (3297, 62113), (3759, 54479), (7287, 28103)]