81532755

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{17939}}^1$

素因数の和:18051

約数の個数: 24

約数和(自身を含む): 142730640

約数和(自身を除く): 61197885

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 909, 1515, 4545, 17939, 53817, 89695, 161451, 269085, 807255, 1811839, 5435517, 9059195, 16306551, 27177585, 81532755]

約数ペア:

[(1, 81532755), (3, 27177585), (5, 16306551), (9, 9059195), (15, 5435517), (45, 1811839), (101, 807255), (303, 269085), (505, 161451), (909, 89695), (1515, 53817), (4545, 17939)]