2017648647

素因数分解:

$3^2\times 7^2\times {\mathrm{4575167}}^1$

素因数の和:4575187

約数の個数: 18

約数和(自身を含む): 3390199488

約数和(自身を除く): 1372550841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4575167, 13725501, 32026169, 41176503, 96078507, 224183183, 288235521, 672549549, 2017648647]

約数ペア:

[(1, 2017648647), (3, 672549549), (7, 288235521), (9, 224183183), (21, 96078507), (49, 41176503), (63, 32026169), (147, 13725501), (441, 4575167)]