210868587

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{571}}^1\times {\mathrm{1109}}^1$

素因数の和:1723

約数の個数: 24

約数和(自身を含む): 313650480

約数和(自身を除く): 102781893

約数列:

[1, 3, 9, 37, 111, 333, 571, 1109, 1713, 3327, 5139, 9981, 21127, 41033, 63381, 123099, 190143, 369297, 633239, 1899717, 5699151, 23429843, 70289529, 210868587]

約数ペア:

[(1, 210868587), (3, 70289529), (9, 23429843), (37, 5699151), (111, 1899717), (333, 633239), (571, 369297), (1109, 190143), (1713, 123099), (3327, 63381), (5139, 41033), (9981, 21127)]