2142567

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 3594240

約数和(自身を除く): 1451673

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 479, 497, 639, 1437, 1491, 3353, 4311, 4473, 10059, 30177, 34009, 102027, 238063, 306081, 714189, 2142567]

約数ペア:

[(1, 2142567), (3, 714189), (7, 306081), (9, 238063), (21, 102027), (63, 34009), (71, 30177), (213, 10059), (479, 4473), (497, 4311), (639, 3353), (1437, 1491)]