28005513

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{9439}}^1$

素因数の和:9508

約数の個数: 16

約数和(自身を含む): 39874560

約数和(自身を除く): 11869047

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 9439, 28317, 217097, 405877, 651291, 1217631, 9335171, 28005513]

約数ペア:

[(1, 28005513), (3, 9335171), (23, 1217631), (43, 651291), (69, 405877), (129, 217097), (989, 28317), (2967, 9439)]