68890395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{811}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 126282240

約数和(自身を除く): 57391845

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 809, 811, 2427, 2433, 4045, 4055, 5663, 5677, 12135, 12165, 16989, 17031, 28315, 28385, 84945, 85155, 656099, 1968297, 3280495, 4592693, 9841485, 13778079, 22963465, 68890395]

約数ペア:

[(1, 68890395), (3, 22963465), (5, 13778079), (7, 9841485), (15, 4592693), (21, 3280495), (35, 1968297), (105, 656099), (809, 85155), (811, 84945), (2427, 28385), (2433, 28315), (4045, 17031), (4055, 16989), (5663, 12165), (5677, 12135)]