81502155

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{258737}}^1$

素因数の和:258755

約数の個数: 24

約数和(自身を含む): 161452512

約数和(自身を除く): 79950357

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 258737, 776211, 1293685, 1811159, 2328633, 3881055, 5433477, 9055795, 11643165, 16300431, 27167385, 81502155]

約数ペア:

[(1, 81502155), (3, 27167385), (5, 16300431), (7, 11643165), (9, 9055795), (15, 5433477), (21, 3881055), (35, 2328633), (45, 1811159), (63, 1293685), (105, 776211), (315, 258737)]