71549163

素因数分解:

$3^6\times 7^2\times {\mathrm{2003}}^1$

素因数の和:2035

約数の個数: 42

約数和(自身を含む): 124851204

約数和(自身を除く): 53302041

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 729, 1323, 1701, 2003, 3969, 5103, 6009, 11907, 14021, 18027, 35721, 42063, 54081, 98147, 126189, 162243, 294441, 378567, 486729, 883323, 1135701, 1460187, 2649969, 3407103, 7949907, 10221309, 23849721, 71549163]

約数ペア:

[(1, 71549163), (3, 23849721), (7, 10221309), (9, 7949907), (21, 3407103), (27, 2649969), (49, 1460187), (63, 1135701), (81, 883323), (147, 486729), (189, 378567), (243, 294441), (441, 162243), (567, 126189), (729, 98147), (1323, 54081), (1701, 42063), (2003, 35721), (3969, 18027), (5103, 14021), (6009, 11907)]