199443573

素因数分解:

$3^3\times 7^2\times {\mathrm{233}}^1\times {\mathrm{647}}^1$

素因数の和:903

約数の個数: 48

約数和(自身を含む): 345720960

約数和(自身を除く): 146277387

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 233, 441, 647, 699, 1323, 1631, 1941, 2097, 4529, 4893, 5823, 6291, 11417, 13587, 14679, 17469, 31703, 34251, 40761, 44037, 95109, 102753, 122283, 150751, 285327, 308259, 452253, 855981, 1055257, 1356759, 3165771, 4070277, 7386799, 9497313, 22160397, 28491939, 66481191, 199443573]

約数ペア:

[(1, 199443573), (3, 66481191), (7, 28491939), (9, 22160397), (21, 9497313), (27, 7386799), (49, 4070277), (63, 3165771), (147, 1356759), (189, 1055257), (233, 855981), (441, 452253), (647, 308259), (699, 285327), (1323, 150751), (1631, 122283), (1941, 102753), (2097, 95109), (4529, 44037), (4893, 40761), (5823, 34251), (6291, 31703), (11417, 17469), (13587, 14679)]