28502091

素因数分解:

$3^3\times {\mathrm{211}}^1\times {\mathrm{5003}}^1$

素因数の和:5223

約数の個数: 16

約数和(自身を含む): 42433920

約数和(自身を除く): 13931829

約数列:

[1, 3, 9, 27, 211, 633, 1899, 5003, 5697, 15009, 45027, 135081, 1055633, 3166899, 9500697, 28502091]

約数ペア:

[(1, 28502091), (3, 9500697), (9, 3166899), (27, 1055633), (211, 135081), (633, 45027), (1899, 15009), (5003, 5697)]