287193249

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{66067}}^1$

素因数の和:66106

約数の個数: 32

約数和(自身を含む): 507402240

約数和(自身を除く): 220208991

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 66067, 198201, 462469, 594603, 1387407, 1519541, 1783809, 4162221, 4558623, 10636787, 12486663, 13675869, 31910361, 41027607, 95731083, 287193249]

約数ペア:

[(1, 287193249), (3, 95731083), (7, 41027607), (9, 31910361), (21, 13675869), (23, 12486663), (27, 10636787), (63, 4558623), (69, 4162221), (161, 1783809), (189, 1519541), (207, 1387407), (483, 594603), (621, 462469), (1449, 198201), (4347, 66067)]