217021343

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{2411}}^1$

素因数の和:2603

約数の個数: 24

約数和(自身を含む): 277167744

約数和(自身を除く): 60146401

約数列:

[1, 7, 11, 49, 77, 167, 539, 1169, 1837, 2411, 8183, 12859, 16877, 26521, 90013, 118139, 185647, 402637, 1299529, 2818459, 4429007, 19729213, 31003049, 217021343]

約数ペア:

[(1, 217021343), (7, 31003049), (11, 19729213), (49, 4429007), (77, 2818459), (167, 1299529), (539, 402637), (1169, 185647), (1837, 118139), (2411, 90013), (8183, 26521), (12859, 16877)]