208545597

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2713}}^1$

素因数の和:2811

約数の個数: 40

約数和(自身を含む): 340216184

約数和(自身を除く): 131670587

約数列:

[1, 3, 9, 13, 27, 39, 73, 81, 117, 219, 351, 657, 949, 1053, 1971, 2713, 2847, 5913, 8139, 8541, 24417, 25623, 35269, 73251, 76869, 105807, 198049, 219753, 317421, 594147, 952263, 1782441, 2574637, 2856789, 5347323, 7723911, 16041969, 23171733, 69515199, 208545597]

約数ペア:

[(1, 208545597), (3, 69515199), (9, 23171733), (13, 16041969), (27, 7723911), (39, 5347323), (73, 2856789), (81, 2574637), (117, 1782441), (219, 952263), (351, 594147), (657, 317421), (949, 219753), (1053, 198049), (1971, 105807), (2713, 76869), (2847, 73251), (5913, 35269), (8139, 25623), (8541, 24417)]