804912795

素因数分解:

$3^4\times 5^1\times {\mathrm{1987439}}^1$

素因数の和:1987456

約数の個数: 20

約数和(自身を含む): 1442881440

約数和(自身を除く): 637968645

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1987439, 5962317, 9937195, 17886951, 29811585, 53660853, 89434755, 160982559, 268304265, 804912795]

約数ペア:

[(1, 804912795), (3, 268304265), (5, 160982559), (9, 89434755), (15, 53660853), (27, 29811585), (45, 17886951), (81, 9937195), (135, 5962317), (405, 1987439)]