251375487

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{1459}}^1$

素因数の和:1723

約数の個数: 32

約数和(自身を含む): 383477760

約数和(自身を除く): 132102273

約数列:

[1, 3, 11, 23, 33, 69, 227, 253, 681, 759, 1459, 2497, 4377, 5221, 7491, 15663, 16049, 33557, 48147, 57431, 100671, 172293, 331193, 369127, 993579, 1107381, 3643123, 7617439, 10929369, 22852317, 83791829, 251375487]

約数ペア:

[(1, 251375487), (3, 83791829), (11, 22852317), (23, 10929369), (33, 7617439), (69, 3643123), (227, 1107381), (253, 993579), (681, 369127), (759, 331193), (1459, 172293), (2497, 100671), (4377, 57431), (5221, 48147), (7491, 33557), (15663, 16049)]