3920321997

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{1125559}}^1$

素因数の和:1125614

約数の個数: 20

約数和(自身を含む): 5992481440

約数和(自身を除く): 2072159443

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 1125559, 3376677, 10130031, 30390093, 48399037, 91170279, 145197111, 435591333, 1306773999, 3920321997]

約数ペア:

[(1, 3920321997), (3, 1306773999), (9, 435591333), (27, 145197111), (43, 91170279), (81, 48399037), (129, 30390093), (387, 10130031), (1161, 3376677), (3483, 1125559)]