81972279

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{1237}}^1$

素因数の和:1479

約数の個数: 24

約数和(自身を含む): 122314400

約数和(自身を除く): 40342121

約数列:

[1, 3, 9, 37, 111, 199, 333, 597, 1237, 1791, 3711, 7363, 11133, 22089, 45769, 66267, 137307, 246163, 411921, 738489, 2215467, 9108031, 27324093, 81972279]

約数ペア:

[(1, 81972279), (3, 27324093), (9, 9108031), (37, 2215467), (111, 738489), (199, 411921), (333, 246163), (597, 137307), (1237, 66267), (1791, 45769), (3711, 22089), (7363, 11133)]