81607095

素因数分解:

$3^4\times 5^1\times {\mathrm{201499}}^1$

素因数の和:201516

約数の個数: 20

約数和(自身を含む): 146289000

約数和(自身を除く): 64681905

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 201499, 604497, 1007495, 1813491, 3022485, 5440473, 9067455, 16321419, 27202365, 81607095]

約数ペア:

[(1, 81607095), (3, 27202365), (5, 16321419), (9, 9067455), (15, 5440473), (27, 3022485), (45, 1813491), (81, 1007495), (135, 604497), (405, 201499)]