153967121

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{28163}}^1$

素因数の和:28252

約数の個数: 16

約数和(自身を含む): 194669568

約数和(自身を除く): 40702447

約数列:

[1, 7, 11, 71, 77, 497, 781, 5467, 28163, 197141, 309793, 1999573, 2168551, 13997011, 21995303, 153967121]

約数ペア:

[(1, 153967121), (7, 21995303), (11, 13997011), (71, 2168551), (77, 1999573), (497, 309793), (781, 197141), (5467, 28163)]