19610829

素因数分解:

$3^8\times 7^2\times {\mathrm{61}}^1$

素因数の和:99

約数の個数: 54

約数和(自身を含む): 34778094

約数和(自身を除く): 15167265

約数列:

[1, 3, 7, 9, 21, 27, 49, 61, 63, 81, 147, 183, 189, 243, 427, 441, 549, 567, 729, 1281, 1323, 1647, 1701, 2187, 2989, 3843, 3969, 4941, 5103, 6561, 8967, 11529, 11907, 14823, 15309, 26901, 34587, 35721, 44469, 45927, 80703, 103761, 107163, 133407, 242109, 311283, 321489, 400221, 726327, 933849, 2178981, 2801547, 6536943, 19610829]

約数ペア:

[(1, 19610829), (3, 6536943), (7, 2801547), (9, 2178981), (21, 933849), (27, 726327), (49, 400221), (61, 321489), (63, 311283), (81, 242109), (147, 133407), (183, 107163), (189, 103761), (243, 80703), (427, 45927), (441, 44469), (549, 35721), (567, 34587), (729, 26901), (1281, 15309), (1323, 14823), (1647, 11907), (1701, 11529), (2187, 8967), (2989, 6561), (3843, 5103), (3969, 4941)]