81273789

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{1973}}^1$

素因数の和:2201

約数の個数: 24

約数和(自身を含む): 123177600

約数和(自身を除く): 41903811

約数列:

[1, 3, 9, 23, 69, 199, 207, 597, 1791, 1973, 4577, 5919, 13731, 17757, 41193, 45379, 136137, 392627, 408411, 1177881, 3533643, 9030421, 27091263, 81273789]

約数ペア:

[(1, 81273789), (3, 27091263), (9, 9030421), (23, 3533643), (69, 1177881), (199, 408411), (207, 392627), (597, 136137), (1791, 45379), (1973, 41193), (4577, 17757), (5919, 13731)]