16289721

素因数分解:

$3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1091}}^1$

素因数の和:1186

約数の個数: 32

約数和(自身を含む): 27955200

約数和(自身を除く): 11665479

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 189, 237, 553, 711, 1091, 1659, 2133, 3273, 4977, 7637, 9819, 14931, 22911, 29457, 68733, 86189, 206199, 258567, 603323, 775701, 1809969, 2327103, 5429907, 16289721]

約数ペア:

[(1, 16289721), (3, 5429907), (7, 2327103), (9, 1809969), (21, 775701), (27, 603323), (63, 258567), (79, 206199), (189, 86189), (237, 68733), (553, 29457), (711, 22911), (1091, 14931), (1659, 9819), (2133, 7637), (3273, 4977)]