286637967

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137873}}^1$

素因数の和:137900

約数の個数: 32

約数和(自身を含む): 529436160

約数和(自身を除く): 242798193

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 137873, 413619, 965111, 1240857, 1516603, 2895333, 3722571, 4549809, 8685999, 10616221, 13649427, 26057997, 31848663, 40948281, 95545989, 286637967]

約数ペア:

[(1, 286637967), (3, 95545989), (7, 40948281), (9, 31848663), (11, 26057997), (21, 13649427), (27, 10616221), (33, 8685999), (63, 4549809), (77, 3722571), (99, 2895333), (189, 1516603), (231, 1240857), (297, 965111), (693, 413619), (2079, 137873)]