28785141

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{569}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 52640640

約数和(自身を除く): 23855499

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 73, 77, 99, 219, 231, 511, 569, 657, 693, 803, 1533, 1707, 2409, 3983, 4599, 5121, 5621, 6259, 7227, 11949, 16863, 18777, 35847, 41537, 43813, 50589, 56331, 124611, 131439, 290759, 373833, 394317, 456907, 872277, 1370721, 2616831, 3198349, 4112163, 9595047, 28785141]

約数ペア:

[(1, 28785141), (3, 9595047), (7, 4112163), (9, 3198349), (11, 2616831), (21, 1370721), (33, 872277), (63, 456907), (73, 394317), (77, 373833), (99, 290759), (219, 131439), (231, 124611), (511, 56331), (569, 50589), (657, 43813), (693, 41537), (803, 35847), (1533, 18777), (1707, 16863), (2409, 11949), (3983, 7227), (4599, 6259), (5121, 5621)]