7965783

素因数分解:

$3^6\times 7^2\times {\mathrm{223}}^1$

素因数の和:255

約数の個数: 42

約数和(自身を含む): 13955424

約数和(自身を除く): 5989641

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 223, 243, 441, 567, 669, 729, 1323, 1561, 1701, 2007, 3969, 4683, 5103, 6021, 10927, 11907, 14049, 18063, 32781, 35721, 42147, 54189, 98343, 126441, 162567, 295029, 379323, 885087, 1137969, 2655261, 7965783]

約数ペア:

[(1, 7965783), (3, 2655261), (7, 1137969), (9, 885087), (21, 379323), (27, 295029), (49, 162567), (63, 126441), (81, 98343), (147, 54189), (189, 42147), (223, 35721), (243, 32781), (441, 18063), (567, 14049), (669, 11907), (729, 10927), (1323, 6021), (1561, 5103), (1701, 4683), (2007, 3969)]