68220945

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{421}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 128109072

約数和(自身を除く): 59888127

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 277, 421, 585, 831, 1263, 1385, 2105, 2493, 3601, 3789, 4155, 5473, 6315, 10803, 12465, 16419, 18005, 18945, 27365, 32409, 49257, 54015, 82095, 116617, 162045, 246285, 349851, 583085, 1049553, 1516021, 1749255, 4548063, 5247765, 7580105, 13644189, 22740315, 68220945]

約数ペア:

[(1, 68220945), (3, 22740315), (5, 13644189), (9, 7580105), (13, 5247765), (15, 4548063), (39, 1749255), (45, 1516021), (65, 1049553), (117, 583085), (195, 349851), (277, 246285), (421, 162045), (585, 116617), (831, 82095), (1263, 54015), (1385, 49257), (2105, 32409), (2493, 27365), (3601, 18945), (3789, 18005), (4155, 16419), (5473, 12465), (6315, 10803)]