55128213

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{11987}}^1$

素因数の和:12073

約数の個数: 24

約数和(自身を含む): 92259648

約数和(自身を除く): 37131435

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4599, 11987, 35961, 83909, 107883, 251727, 755181, 875051, 2625153, 6125357, 7875459, 18376071, 55128213]

約数ペア:

[(1, 55128213), (3, 18376071), (7, 7875459), (9, 6125357), (21, 2625153), (63, 875051), (73, 755181), (219, 251727), (511, 107883), (657, 83909), (1533, 35961), (4599, 11987)]