1967981589

素因数分解:

$3^4\times 7^1\times {\mathrm{3470867}}^1$

素因数の和:3470886

約数の個数: 20

約数和(自身を含む): 3359800224

約数和(自身を除く): 1391818635

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3470867, 10412601, 24296069, 31237803, 72888207, 93713409, 218664621, 281140227, 655993863, 1967981589]

約数ペア:

[(1, 1967981589), (3, 655993863), (7, 281140227), (9, 218664621), (21, 93713409), (27, 72888207), (63, 31237803), (81, 24296069), (189, 10412601), (567, 3470867)]