289598991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{130981}}^1$

素因数の和:131062

約数の個数: 16

約数和(自身を含む): 427525248

約数和(自身を除く): 137926257

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 130981, 392943, 1440791, 4322373, 8775727, 26327181, 96532997, 289598991]

約数ペア:

[(1, 289598991), (3, 96532997), (11, 26327181), (33, 8775727), (67, 4322373), (201, 1440791), (737, 392943), (2211, 130981)]