1291288323

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{769999}}^1$

素因数の和:770058

約数の個数: 16

約数和(自身を含む): 1897280000

約数和(自身を除く): 605991677

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 769999, 2309997, 10009987, 30029961, 33109957, 99329871, 430429441, 1291288323]

約数ペア:

[(1, 1291288323), (3, 430429441), (13, 99329871), (39, 33109957), (43, 30029961), (129, 10009987), (559, 2309997), (1677, 769999)]