67839891

素因数分解:

$3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{4993}}^1$

素因数の和:5650

約数の個数: 16

約数和(自身を含む): 103555584

約数和(自身を除く): 35715693

約数列:

[1, 3, 7, 21, 647, 1941, 4529, 4993, 13587, 14979, 34951, 104853, 3230471, 9691413, 22613297, 67839891]

約数ペア:

[(1, 67839891), (3, 22613297), (7, 9691413), (21, 3230471), (647, 104853), (1941, 34951), (4529, 14979), (4993, 13587)]