18252081

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:330

約数の個数: 32

約数和(自身を含む): 28160000

約数和(自身を除く): 9907919

約数列:

[1, 3, 9, 27, 43, 79, 129, 199, 237, 387, 597, 711, 1161, 1791, 2133, 3397, 5373, 8557, 10191, 15721, 25671, 30573, 47163, 77013, 91719, 141489, 231039, 424467, 676003, 2028009, 6084027, 18252081]

約数ペア:

[(1, 18252081), (3, 6084027), (9, 2028009), (27, 676003), (43, 424467), (79, 231039), (129, 141489), (199, 91719), (237, 77013), (387, 47163), (597, 30573), (711, 25671), (1161, 15721), (1791, 10191), (2133, 8557), (3397, 5373)]