328921281

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{33871}}^1$

素因数の和:33973

約数の個数: 24

約数和(自身を含む): 517835136

約数和(自身を除く): 188913855

約数列:

[1, 3, 9, 13, 39, 83, 117, 249, 747, 1079, 3237, 9711, 33871, 101613, 304839, 440323, 1320969, 2811293, 3962907, 8433879, 25301637, 36546809, 109640427, 328921281]

約数ペア:

[(1, 328921281), (3, 109640427), (9, 36546809), (13, 25301637), (39, 8433879), (83, 3962907), (117, 2811293), (249, 1320969), (747, 440323), (1079, 304839), (3237, 101613), (9711, 33871)]