28117491

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{1307}}^1$

素因数の和:1482

約数の個数: 16

約数和(自身を含む): 38423808

約数和(自身を除く): 10306317

約数列:

[1, 3, 71, 101, 213, 303, 1307, 3921, 7171, 21513, 92797, 132007, 278391, 396021, 9372497, 28117491]

約数ペア:

[(1, 28117491), (3, 9372497), (71, 396021), (101, 278391), (213, 132007), (303, 92797), (1307, 21513), (3921, 7171)]