251041485

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{2273}}^1$

素因数の和:2517

約数の個数: 32

約数和(自身を含む): 414777600

約数和(自身を除く): 163736115

約数列:

[1, 3, 5, 15, 37, 111, 185, 199, 555, 597, 995, 2273, 2985, 6819, 7363, 11365, 22089, 34095, 36815, 84101, 110445, 252303, 420505, 452327, 1261515, 1356981, 2261635, 6784905, 16736099, 50208297, 83680495, 251041485]

約数ペア:

[(1, 251041485), (3, 83680495), (5, 50208297), (15, 16736099), (37, 6784905), (111, 2261635), (185, 1356981), (199, 1261515), (555, 452327), (597, 420505), (995, 252303), (2273, 110445), (2985, 84101), (6819, 36815), (7363, 34095), (11365, 22089)]