28146729

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{751}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 41817216

約数和(自身を除く): 13670487

約数列:

[1, 3, 13, 31, 39, 93, 403, 751, 961, 1209, 2253, 2883, 9763, 12493, 23281, 29289, 37479, 69843, 302653, 721711, 907959, 2165133, 9382243, 28146729]

約数ペア:

[(1, 28146729), (3, 9382243), (13, 2165133), (31, 907959), (39, 721711), (93, 302653), (403, 69843), (751, 37479), (961, 29289), (1209, 23281), (2253, 12493), (2883, 9763)]