25893009

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2909}}^1$

素因数の和:2981

約数の個数: 24

約数和(自身を含む): 39948480

約数和(自身を除く): 14055471

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2909, 2967, 8727, 8901, 26181, 66907, 125087, 200721, 375261, 602163, 1125783, 2877001, 8631003, 25893009]

約数ペア:

[(1, 25893009), (3, 8631003), (9, 2877001), (23, 1125783), (43, 602163), (69, 375261), (129, 200721), (207, 125087), (387, 66907), (989, 26181), (2909, 8901), (2967, 8727)]