2080209705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19811521}}^1$

素因数の和:19811536

約数の個数: 16

約数和(自身を含む): 3803812224

約数和(自身を除く): 1723602519

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 19811521, 59434563, 99057605, 138680647, 297172815, 416041941, 693403235, 2080209705]

約数ペア:

[(1, 2080209705), (3, 693403235), (5, 416041941), (7, 297172815), (15, 138680647), (21, 99057605), (35, 59434563), (105, 19811521)]