42758919

素因数分解:

$3^2\times 7^2\times {\mathrm{96959}}^1$

素因数の和:96979

約数の個数: 18

約数和(自身を含む): 71847360

約数和(自身を除く): 29088441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 96959, 290877, 678713, 872631, 2036139, 4750991, 6108417, 14252973, 42758919]

約数ペア:

[(1, 42758919), (3, 14252973), (7, 6108417), (9, 4750991), (21, 2036139), (49, 872631), (63, 678713), (147, 290877), (441, 96959)]