1886913

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 3172416

約数和(自身を除く): 1285503

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 491, 549, 1281, 1473, 3437, 3843, 4419, 10311, 29951, 30933, 89853, 209657, 269559, 628971, 1886913]

約数ペア:

[(1, 1886913), (3, 628971), (7, 269559), (9, 209657), (21, 89853), (61, 30933), (63, 29951), (183, 10311), (427, 4419), (491, 3843), (549, 3437), (1281, 1473)]