207231021

素因数分解:

$3^3\times {\mathrm{757}}^1\times {\mathrm{10139}}^1$

素因数の和:10905

約数の個数: 16

約数和(自身を含む): 307444800

約数和(自身を除く): 100213779

約数列:

[1, 3, 9, 27, 757, 2271, 6813, 10139, 20439, 30417, 91251, 273753, 7675223, 23025669, 69077007, 207231021]

約数ペア:

[(1, 207231021), (3, 69077007), (9, 23025669), (27, 7675223), (757, 273753), (2271, 91251), (6813, 30417), (10139, 20439)]