28945137

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1543}}^1$

素因数の和:1609

約数の個数: 24

約数和(自身を含む): 42947904

約数和(自身を除く): 14002767

約数列:

[1, 3, 13, 37, 39, 111, 169, 481, 507, 1443, 1543, 4629, 6253, 18759, 20059, 57091, 60177, 171273, 260767, 742183, 782301, 2226549, 9648379, 28945137]

約数ペア:

[(1, 28945137), (3, 9648379), (13, 2226549), (37, 782301), (39, 742183), (111, 260767), (169, 171273), (481, 60177), (507, 57091), (1443, 20059), (1543, 18759), (4629, 6253)]