51709209

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{1327}}^1$

素因数の和:1780

約数の個数: 16

約数和(自身を含む): 71393280

約数和(自身を除く): 19684071

約数列:

[1, 3, 31, 93, 419, 1257, 1327, 3981, 12989, 38967, 41137, 123411, 556013, 1668039, 17236403, 51709209]

約数ペア:

[(1, 51709209), (3, 17236403), (31, 1668039), (93, 556013), (419, 123411), (1257, 41137), (1327, 38967), (3981, 12989)]