198384591

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{12893}}^1$

素因数の和:13142

約数の個数: 16

約数和(自身を含む): 277272576

約数和(自身を除く): 78887985

約数列:

[1, 3, 23, 69, 223, 669, 5129, 12893, 15387, 38679, 296539, 889617, 2875139, 8625417, 66128197, 198384591]

約数ペア:

[(1, 198384591), (3, 66128197), (23, 8625417), (69, 2875139), (223, 889617), (669, 296539), (5129, 38679), (12893, 15387)]