17759979

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{9533}}^1$

素因数の和:9568

約数の個数: 20

約数和(自身を含む): 27686736

約数和(自身を除く): 9926757

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 9533, 28599, 85797, 219259, 257391, 657777, 772173, 1973331, 5919993, 17759979]

約数ペア:

[(1, 17759979), (3, 5919993), (9, 1973331), (23, 772173), (27, 657777), (69, 257391), (81, 219259), (207, 85797), (621, 28599), (1863, 9533)]