81774189

素因数分解:

$3^2\times 7^2\times {\mathrm{185429}}^1$

素因数の和:185449

約数の個数: 18

約数和(自身を含む): 137403630

約数和(自身を除く): 55629441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 185429, 556287, 1298003, 1668861, 3894009, 9086021, 11682027, 27258063, 81774189]

約数ペア:

[(1, 81774189), (3, 27258063), (7, 11682027), (9, 9086021), (21, 3894009), (49, 1668861), (63, 1298003), (147, 556287), (441, 185429)]