28305478509

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{122534539}}^1$

素因数の和:122534560

約数の個数: 16

約数和(自身を含む): 47053263360

約数和(自身を除く): 18747784851

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 122534539, 367603617, 857741773, 1347879929, 2573225319, 4043639787, 9435159503, 28305478509]

約数ペア:

[(1, 28305478509), (3, 9435159503), (7, 4043639787), (11, 2573225319), (21, 1347879929), (33, 857741773), (77, 367603617), (231, 122534539)]