51990117

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{2237}}^1$

素因数の和:2428

約数の個数: 16

約数和(自身を含む): 71043072

約数和(自身を除く): 19052955

約数列:

[1, 3, 61, 127, 183, 381, 2237, 6711, 7747, 23241, 136457, 284099, 409371, 852297, 17330039, 51990117]

約数ペア:

[(1, 51990117), (3, 17330039), (61, 852297), (127, 409371), (183, 284099), (381, 136457), (2237, 23241), (6711, 7747)]