209224743

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1471}}^1$

素因数の和:2015

約数の個数: 32

約数和(自身を含む): 344236032

約数和(自身を除く): 135011289

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 521, 1471, 1563, 3647, 4413, 6773, 10297, 10941, 19123, 20319, 30891, 47411, 57369, 133861, 142233, 401583, 766391, 2299173, 5364737, 9963083, 16094211, 29889249, 69741581, 209224743]

約数ペア:

[(1, 209224743), (3, 69741581), (7, 29889249), (13, 16094211), (21, 9963083), (39, 5364737), (91, 2299173), (273, 766391), (521, 401583), (1471, 142233), (1563, 133861), (3647, 57369), (4413, 47411), (6773, 30891), (10297, 20319), (10941, 19123)]