204491487

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{163}}^1\times {\mathrm{1447}}^1$

素因数の和:1647

約数の個数: 24

約数和(自身を含む): 291615616

約数和(自身を除く): 87124129

約数列:

[1, 3, 17, 51, 163, 289, 489, 867, 1447, 2771, 4341, 8313, 24599, 47107, 73797, 141321, 235861, 418183, 707583, 1254549, 4009637, 12028911, 68163829, 204491487]

約数ペア:

[(1, 204491487), (3, 68163829), (17, 12028911), (51, 4009637), (163, 1254549), (289, 707583), (489, 418183), (867, 235861), (1447, 141321), (2771, 73797), (4341, 47107), (8313, 24599)]