253782

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:644

約数の個数: 24

約数和(自身を含む): 574704

約数和(自身を除く): 320922

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 613, 1226, 1839, 3678, 5517, 11034, 14099, 28198, 42297, 84594, 126891, 253782]

約数ペア:

[(1, 253782), (2, 126891), (3, 84594), (6, 42297), (9, 28198), (18, 14099), (23, 11034), (46, 5517), (69, 3678), (138, 1839), (207, 1226), (414, 613)]