2017647

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:199

約数の個数: 24

約数和(自身を含む): 3070704

約数和(自身を除く): 1053057

約数列:

[1, 3, 9, 37, 73, 83, 111, 219, 249, 333, 657, 747, 2701, 3071, 6059, 8103, 9213, 18177, 24309, 27639, 54531, 224183, 672549, 2017647]

約数ペア:

[(1, 2017647), (3, 672549), (9, 224183), (37, 54531), (73, 27639), (83, 24309), (111, 18177), (219, 9213), (249, 8103), (333, 6059), (657, 3071), (747, 2701)]