28512687

素因数分解:

$3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{2971}}^1$

素因数の和:3438

約数の個数: 16

約数和(自身を含む): 43557632

約数和(自身を除く): 15044945

約数列:

[1, 3, 7, 21, 457, 1371, 2971, 3199, 8913, 9597, 20797, 62391, 1357747, 4073241, 9504229, 28512687]

約数ペア:

[(1, 28512687), (3, 9504229), (7, 4073241), (21, 1357747), (457, 62391), (1371, 20797), (2971, 9597), (3199, 8913)]