287369721

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{343333}}^1$

素因数の和:343373

約数の個数: 16

約数和(自身を含む): 439467520

約数和(自身を除く): 152097799

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 343333, 1029999, 3089997, 9269991, 10643323, 31929969, 95789907, 287369721]

約数ペア:

[(1, 287369721), (3, 95789907), (9, 31929969), (27, 10643323), (31, 9269991), (93, 3089997), (279, 1029999), (837, 343333)]