28115421

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{11471}}^1$

素因数の和:11536

約数の個数: 16

約数和(自身を含む): 40381440

約数和(自身を除く): 12266019

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 11471, 34413, 217949, 493253, 653847, 1479759, 9371807, 28115421]

約数ペア:

[(1, 28115421), (3, 9371807), (19, 1479759), (43, 653847), (57, 493253), (129, 217949), (817, 34413), (2451, 11471)]