318639489

素因数分解:

$3^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{21401}}^1$

素因数の和:22120

約数の個数: 16

約数和(自身を含む): 486253440

約数和(自身を除く): 167613951

約数列:

[1, 3, 7, 21, 709, 2127, 4963, 14889, 21401, 64203, 149807, 449421, 15173309, 45519927, 106213163, 318639489]

約数ペア:

[(1, 318639489), (3, 106213163), (7, 45519927), (21, 15173309), (709, 449421), (2127, 149807), (4963, 64203), (14889, 21401)]