28747263

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{9689}}^1$

素因数の和:9758

約数の個数: 16

約数和(自身を含む): 40930560

約数和(自身を除く): 12183297

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 9689, 29067, 222847, 416627, 668541, 1249881, 9582421, 28747263]

約数ペア:

[(1, 28747263), (3, 9582421), (23, 1249881), (43, 668541), (69, 416627), (129, 222847), (989, 29067), (2967, 9689)]