720682281

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 1153526400

約数和(自身を除く): 432844119

約数列:

[1, 3, 9, 11, 33, 99, 157, 199, 233, 471, 597, 699, 1413, 1727, 1791, 2097, 2189, 2563, 5181, 6567, 7689, 15543, 19701, 23067, 31243, 36581, 46367, 93729, 109743, 139101, 281187, 329229, 343673, 402391, 417303, 510037, 1031019, 1207173, 1530111, 3093057, 3621519, 4590333, 7279619, 21838857, 65516571, 80075809, 240227427, 720682281]

約数ペア:

[(1, 720682281), (3, 240227427), (9, 80075809), (11, 65516571), (33, 21838857), (99, 7279619), (157, 4590333), (199, 3621519), (233, 3093057), (471, 1530111), (597, 1207173), (699, 1031019), (1413, 510037), (1727, 417303), (1791, 402391), (2097, 343673), (2189, 329229), (2563, 281187), (5181, 139101), (6567, 109743), (7689, 93729), (15543, 46367), (19701, 36581), (23067, 31243)]