2016331821

素因数分解:

$3^2\times 7^2\times {\mathrm{4572181}}^1$

素因数の和:4572201

約数の個数: 18

約数和(自身を含む): 3387986862

約数和(自身を除く): 1371655041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4572181, 13716543, 32005267, 41149629, 96015801, 224036869, 288047403, 672110607, 2016331821]

約数ペア:

[(1, 2016331821), (3, 672110607), (7, 288047403), (9, 224036869), (21, 96015801), (49, 41149629), (63, 32005267), (147, 13716543), (441, 4572181)]