66737769

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{23197}}^1$

素因数の和:23344

約数の個数: 16

約数和(自身を含む): 102442368

約数和(自身を除く): 35704599

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 23197, 69591, 162379, 487137, 3177989, 9533967, 22245923, 66737769]

約数ペア:

[(1, 66737769), (3, 22245923), (7, 9533967), (21, 3177989), (137, 487137), (411, 162379), (959, 69591), (2877, 23197)]