27999413

素因数分解:

${\mathrm{13}}^2\times {\mathrm{29}}^2\times {\mathrm{197}}^1$

素因数の和:281

約数の個数: 18

約数和(自身を含む): 31559814

約数和(自身を除く): 3560401

約数列:

[1, 13, 29, 169, 197, 377, 841, 2561, 4901, 5713, 10933, 33293, 74269, 142129, 165677, 965497, 2153801, 27999413]

約数ペア:

[(1, 27999413), (13, 2153801), (29, 965497), (169, 165677), (197, 142129), (377, 74269), (841, 33293), (2561, 10933), (4901, 5713)]