28155879

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{881}}^1$

素因数の和:1007

約数の個数: 24

約数和(自身を含む): 42103152

約数和(自身を除く): 13947273

約数列:

[1, 3, 9, 53, 67, 159, 201, 477, 603, 881, 2643, 3551, 7929, 10653, 31959, 46693, 59027, 140079, 177081, 420237, 531243, 3128431, 9385293, 28155879]

約数ペア:

[(1, 28155879), (3, 9385293), (9, 3128431), (53, 531243), (67, 420237), (159, 177081), (201, 140079), (477, 59027), (603, 46693), (881, 31959), (2643, 10653), (3551, 7929)]