8670321

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:323

約数の個数: 40

約数和(自身を含む): 14566464

約数和(自身を除く): 5896143

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 263, 297, 333, 407, 789, 891, 999, 1221, 2367, 2893, 2997, 3663, 7101, 8679, 9731, 10989, 21303, 26037, 29193, 32967, 78111, 87579, 107041, 234333, 262737, 321123, 788211, 963369, 2890107, 8670321]

約数ペア:

[(1, 8670321), (3, 2890107), (9, 963369), (11, 788211), (27, 321123), (33, 262737), (37, 234333), (81, 107041), (99, 87579), (111, 78111), (263, 32967), (297, 29193), (333, 26037), (407, 21303), (789, 10989), (891, 9731), (999, 8679), (1221, 7101), (2367, 3663), (2893, 2997)]