28013271

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{5023}}^1$

素因数の和:5063

約数の個数: 24

約数和(自身を含む): 44130816

約数和(自身を除く): 16117545

約数列:

[1, 3, 11, 13, 33, 39, 143, 169, 429, 507, 1859, 5023, 5577, 15069, 55253, 65299, 165759, 195897, 718289, 848887, 2154867, 2546661, 9337757, 28013271]

約数ペア:

[(1, 28013271), (3, 9337757), (11, 2546661), (13, 2154867), (33, 848887), (39, 718289), (143, 195897), (169, 165759), (429, 65299), (507, 55253), (1859, 15069), (5023, 5577)]