81487170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{905413}}^1$

素因数の和:905426

約数の個数: 24

約数和(自身を含む): 211866876

約数和(自身を除く): 130379706

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 905413, 1810826, 2716239, 4527065, 5432478, 8148717, 9054130, 13581195, 16297434, 27162390, 40743585, 81487170]

約数ペア:

[(1, 81487170), (2, 40743585), (3, 27162390), (5, 16297434), (6, 13581195), (9, 9054130), (10, 8148717), (15, 5432478), (18, 4527065), (30, 2716239), (45, 1810826), (90, 905413)]