16872615

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1777}}^1$

素因数の和:1999

約数の個数: 24

約数和(自身を含む): 29401008

約数和(自身を除く): 12528393

約数列:

[1, 3, 5, 9, 15, 45, 211, 633, 1055, 1777, 1899, 3165, 5331, 8885, 9495, 15993, 26655, 79965, 374947, 1124841, 1874735, 3374523, 5624205, 16872615]

約数ペア:

[(1, 16872615), (3, 5624205), (5, 3374523), (9, 1874735), (15, 1124841), (45, 374947), (211, 79965), (633, 26655), (1055, 15993), (1777, 9495), (1899, 8885), (3165, 5331)]