80489781

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{58453}}^1$

素因数の和:58482

約数の個数: 20

約数和(自身を含む): 127312812

約数和(自身を除く): 46823031

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 58453, 175359, 526077, 993701, 1578231, 2981103, 4734693, 8943309, 26829927, 80489781]

約数ペア:

[(1, 80489781), (3, 26829927), (9, 8943309), (17, 4734693), (27, 2981103), (51, 1578231), (81, 993701), (153, 526077), (459, 175359), (1377, 58453)]