388972479

素因数分解:

$3^1\times 7^1\times {\mathrm{1741}}^1\times {\mathrm{10639}}^1$

素因数の和:12390

約数の個数: 16

約数和(自身を含む): 593116160

約数和(自身を除く): 204143681

約数列:

[1, 3, 7, 21, 1741, 5223, 10639, 12187, 31917, 36561, 74473, 223419, 18522499, 55567497, 129657493, 388972479]

約数ペア:

[(1, 388972479), (3, 129657493), (7, 55567497), (21, 18522499), (1741, 223419), (5223, 74473), (10639, 36561), (12187, 31917)]