86428287

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 141523200

約数和(自身を除く): 55094913

約数列:

[1, 3, 9, 11, 33, 41, 99, 107, 123, 199, 321, 369, 451, 597, 963, 1177, 1353, 1791, 2189, 3531, 4059, 4387, 6567, 8159, 10593, 13161, 19701, 21293, 24477, 39483, 48257, 63879, 73431, 89749, 144771, 191637, 234223, 269247, 434313, 702669, 807741, 873013, 2108007, 2619039, 7857117, 9603143, 28809429, 86428287]

約数ペア:

[(1, 86428287), (3, 28809429), (9, 9603143), (11, 7857117), (33, 2619039), (41, 2108007), (99, 873013), (107, 807741), (123, 702669), (199, 434313), (321, 269247), (369, 234223), (451, 191637), (597, 144771), (963, 89749), (1177, 73431), (1353, 63879), (1791, 48257), (2189, 39483), (3531, 24477), (4059, 21293), (4387, 19701), (6567, 13161), (8159, 10593)]