64689891

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{12889}}^1$

素因数の和:13138

約数の個数: 16

約数和(自身を含む): 98995200

約数和(自身を除く): 34305309

約数列:

[1, 3, 7, 21, 239, 717, 1673, 5019, 12889, 38667, 90223, 270669, 3080471, 9241413, 21563297, 64689891]

約数ペア:

[(1, 64689891), (3, 21563297), (7, 9241413), (21, 3080471), (239, 270669), (717, 90223), (1673, 38667), (5019, 12889)]