42738717

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{19759}}^1$

素因数の和:19872

約数の個数: 16

約数和(自身を含む): 65761280

約数和(自身を除く): 23022563

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 19759, 59277, 138313, 414939, 2035177, 6105531, 14246239, 42738717]

約数ペア:

[(1, 42738717), (3, 14246239), (7, 6105531), (21, 2035177), (103, 414939), (309, 138313), (721, 59277), (2163, 19759)]