20171781681

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{2417}}^1\times {\mathrm{163643}}^1$

素因数の和:166080

約数の個数: 16

約数和(自身を含む): 28489765824

約数和(自身を除く): 8317984143

約数列:

[1, 3, 17, 51, 2417, 7251, 41089, 123267, 163643, 490929, 2781931, 8345793, 395525131, 1186575393, 6723927227, 20171781681]

約数ペア:

[(1, 20171781681), (3, 6723927227), (17, 1186575393), (51, 395525131), (2417, 8345793), (7251, 2781931), (41089, 490929), (123267, 163643)]