427739039

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{247391}}^1$

素因数の和:247430

約数の個数: 16

約数和(自身を含む): 554158080

約数和(自身を除く): 126419041

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 247391, 1731737, 3216083, 4700429, 22512581, 32903003, 61105577, 427739039]

約数ペア:

[(1, 427739039), (7, 61105577), (13, 32903003), (19, 22512581), (91, 4700429), (133, 3216083), (247, 1731737), (1729, 247391)]