209973909

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{977}}^1\times {\mathrm{1009}}^1$

素因数の和:2060

約数の個数: 16

約数和(自身を含む): 284480640

約数和(自身を除く): 74506731

約数列:

[1, 3, 71, 213, 977, 1009, 2931, 3027, 69367, 71639, 208101, 214917, 985793, 2957379, 69991303, 209973909]

約数ペア:

[(1, 209973909), (3, 69991303), (71, 2957379), (213, 985793), (977, 214917), (1009, 208101), (2931, 71639), (3027, 69367)]