1639647

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^2$

素因数の和:207

約数の個数: 18

約数和(自身を含む): 2499432

約数和(自身を除く): 859785

約数列:

[1, 3, 9, 23, 69, 89, 207, 267, 801, 2047, 6141, 7921, 18423, 23763, 71289, 182183, 546549, 1639647]

約数ペア:

[(1, 1639647), (3, 546549), (9, 182183), (23, 71289), (69, 23763), (89, 18423), (207, 7921), (267, 6141), (801, 2047)]