87978009

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{877}}^1$

素因数の和:1185

約数の個数: 32

約数和(自身を含む): 142615296

約数和(自身を除く): 54637287

約数列:

[1, 3, 7, 17, 21, 51, 119, 281, 357, 843, 877, 1967, 2631, 4777, 5901, 6139, 14331, 14909, 18417, 33439, 44727, 100317, 104363, 246437, 313089, 739311, 1725059, 4189429, 5175177, 12568287, 29326003, 87978009]

約数ペア:

[(1, 87978009), (3, 29326003), (7, 12568287), (17, 5175177), (21, 4189429), (51, 1725059), (119, 739311), (281, 313089), (357, 246437), (843, 104363), (877, 100317), (1967, 44727), (2631, 33439), (4777, 18417), (5901, 14909), (6139, 14331)]