2721513

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 3998368

約数和(自身を除く): 1276855

約数列:

[1, 3, 17, 43, 51, 73, 129, 219, 289, 731, 867, 1241, 2193, 3139, 3723, 9417, 12427, 21097, 37281, 53363, 63291, 160089, 907171, 2721513]

約数ペア:

[(1, 2721513), (3, 907171), (17, 160089), (43, 63291), (51, 53363), (73, 37281), (129, 21097), (219, 12427), (289, 9417), (731, 3723), (867, 3139), (1241, 2193)]