320438547

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{248981}}^1$

素因数の和:249011

約数の個数: 24

約数和(自身を含む): 543776688

約数和(自身を除く): 223338141

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 248981, 746943, 2240829, 2738791, 3236753, 8216373, 9710259, 24649119, 29130777, 35604283, 106812849, 320438547]

約数ペア:

[(1, 320438547), (3, 106812849), (9, 35604283), (11, 29130777), (13, 24649119), (33, 9710259), (39, 8216373), (99, 3236753), (117, 2738791), (143, 2240829), (429, 746943), (1287, 248981)]