28792521

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{3329}}^1$

素因数の和:3397

約数の個数: 18

約数和(自身を含む): 42986970

約数和(自身を除く): 14194449

約数列:

[1, 3, 9, 31, 93, 279, 961, 2883, 3329, 8649, 9987, 29961, 103199, 309597, 928791, 3199169, 9597507, 28792521]

約数ペア:

[(1, 28792521), (3, 9597507), (9, 3199169), (31, 928791), (93, 309597), (279, 103199), (961, 29961), (2883, 9987), (3329, 8649)]