261111123

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{318817}}^1$

素因数の和:318843

約数の個数: 24

約数和(自身を含む): 464199008

約数和(自身を除く): 203087885

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 318817, 956451, 2231719, 2869353, 4144621, 6695157, 12433863, 20085471, 29012347, 37301589, 87037041, 261111123]

約数ペア:

[(1, 261111123), (3, 87037041), (7, 37301589), (9, 29012347), (13, 20085471), (21, 12433863), (39, 6695157), (63, 4144621), (91, 2869353), (117, 2231719), (273, 956451), (819, 318817)]