1279265535

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{498739}}^1$

素因数の和:498772

約数の個数: 32

約数和(自身を含む): 2393952000

約数和(自身を除く): 1114686465

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 498739, 1496217, 2493695, 4488651, 7481085, 9476041, 13465953, 22443255, 28428123, 47380205, 67329765, 85284369, 142140615, 255853107, 426421845, 1279265535]

約数ペア:

[(1, 1279265535), (3, 426421845), (5, 255853107), (9, 142140615), (15, 85284369), (19, 67329765), (27, 47380205), (45, 28428123), (57, 22443255), (95, 13465953), (135, 9476041), (171, 7481085), (285, 4488651), (513, 2493695), (855, 1496217), (2565, 498739)]