208965981

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{125959}}^1$

素因数の和:126048

約数の個数: 16

約数和(自身を含む): 322457600

約数和(自身を除く): 113491619

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 125959, 377877, 881713, 2645139, 9950761, 29852283, 69655327, 208965981]

約数ペア:

[(1, 208965981), (3, 69655327), (7, 29852283), (21, 9950761), (79, 2645139), (237, 881713), (553, 377877), (1659, 125959)]