2005049457

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{194911}}^1$

素因数の和:195050

約数の個数: 20

約数和(自身を含む): 3018797056

約数和(自身を除く): 1013747599

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 3429, 10287, 194911, 584733, 1754199, 5262597, 15787791, 24753697, 74261091, 222783273, 668349819, 2005049457]

約数ペア:

[(1, 2005049457), (3, 668349819), (9, 222783273), (27, 74261091), (81, 24753697), (127, 15787791), (381, 5262597), (1143, 1754199), (3429, 584733), (10287, 194911)]