11888919

素因数分解:

$3^2\times 7^2\times {\mathrm{26959}}^1$

素因数の和:26979

約数の個数: 18

約数和(自身を含む): 19977360

約数和(自身を除く): 8088441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 26959, 80877, 188713, 242631, 566139, 1320991, 1698417, 3962973, 11888919]

約数ペア:

[(1, 11888919), (3, 3962973), (7, 1698417), (9, 1320991), (21, 566139), (49, 242631), (63, 188713), (147, 80877), (441, 26959)]