156980721609

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{245666231}}^1$

素因数の和:245666308

約数の個数: 12

約数和(自身を含む): 229943593152

約数和(自身を除く): 72962871543

約数列:

[1, 3, 9, 71, 213, 639, 245666231, 736998693, 2210996079, 17442302401, 52326907203, 156980721609]

約数ペア:

[(1, 156980721609), (3, 52326907203), (9, 17442302401), (71, 2210996079), (213, 736998693), (639, 245666231)]