777636045

素因数分解:

$3^4\times 5^1\times {\mathrm{1920089}}^1$

素因数の和:1920106

約数の個数: 20

約数和(自身を含む): 1393985340

約数和(自身を除く): 616349295

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1920089, 5760267, 9600445, 17280801, 28801335, 51842403, 86404005, 155527209, 259212015, 777636045]

約数ペア:

[(1, 777636045), (3, 259212015), (5, 155527209), (9, 86404005), (15, 51842403), (27, 28801335), (45, 17280801), (81, 9600445), (135, 5760267), (405, 1920089)]