31802787

素因数分解:

$3^4\times {\mathrm{199}}^1\times {\mathrm{1973}}^1$

素因数の和:2184

約数の個数: 20

約数和(自身を含む): 47770800

約数和(自身を除く): 15968013

約数列:

[1, 3, 9, 27, 81, 199, 597, 1791, 1973, 5373, 5919, 16119, 17757, 53271, 159813, 392627, 1177881, 3533643, 10600929, 31802787]

約数ペア:

[(1, 31802787), (3, 10600929), (9, 3533643), (27, 1177881), (81, 392627), (199, 159813), (597, 53271), (1791, 17757), (1973, 16119), (5373, 5919)]