990486555

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3884261}}^1$

素因数の和:3884286

約数の個数: 16

約数和(自身を含む): 1678001184

約数和(自身を除く): 687514629

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 3884261, 11652783, 19421305, 58263915, 66032437, 198097311, 330162185, 990486555]

約数ペア:

[(1, 990486555), (3, 330162185), (5, 198097311), (15, 66032437), (17, 58263915), (51, 19421305), (85, 11652783), (255, 3884261)]