2097151479

素因数分解:

$3^8\times {\mathrm{319639}}^1$

素因数の和:319663

約数の個数: 18

約数和(自身を含む): 3145577240

約数和(自身を除く): 1048425761

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 6561, 319639, 958917, 2876751, 8630253, 25890759, 77672277, 233016831, 699050493, 2097151479]

約数ペア:

[(1, 2097151479), (3, 699050493), (9, 233016831), (27, 77672277), (81, 25890759), (243, 8630253), (729, 2876751), (2187, 958917), (6561, 319639)]