81605385

素因数分解:

$3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{10859}}^1$

素因数の和:11037

約数の個数: 24

約数和(自身を含む): 142309440

約数和(自身を除く): 60704055

約数列:

[1, 3, 5, 9, 15, 45, 167, 501, 835, 1503, 2505, 7515, 10859, 32577, 54295, 97731, 162885, 488655, 1813453, 5440359, 9067265, 16321077, 27201795, 81605385]

約数ペア:

[(1, 81605385), (3, 27201795), (5, 16321077), (9, 9067265), (15, 5440359), (45, 1813453), (167, 488655), (501, 162885), (835, 97731), (1503, 54295), (2505, 32577), (7515, 10859)]