256586187

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{4943}}^1$

素因数の和:4992

約数の個数: 32

約数和(自身を含む): 405328896

約数和(自身を除く): 148742709

約数列:

[1, 3, 11, 13, 33, 39, 121, 143, 363, 429, 1331, 1573, 3993, 4719, 4943, 14829, 17303, 51909, 54373, 64259, 163119, 192777, 598103, 706849, 1794309, 2120547, 6579133, 7775339, 19737399, 23326017, 85528729, 256586187]

約数ペア:

[(1, 256586187), (3, 85528729), (11, 23326017), (13, 19737399), (33, 7775339), (39, 6579133), (121, 2120547), (143, 1794309), (363, 706849), (429, 598103), (1331, 192777), (1573, 163119), (3993, 64259), (4719, 54373), (4943, 51909), (14829, 17303)]