28299843

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2040

約数の個数: 36

約数和(自身を含む): 48412000

約数和(自身を除く): 20112157

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 121, 143, 363, 429, 1089, 1287, 1573, 1999, 4719, 5997, 14157, 17991, 21989, 25987, 65967, 77961, 197901, 233883, 241879, 285857, 725637, 857571, 2176911, 2572713, 3144427, 9433281, 28299843]

約数ペア:

[(1, 28299843), (3, 9433281), (9, 3144427), (11, 2572713), (13, 2176911), (33, 857571), (39, 725637), (99, 285857), (117, 241879), (121, 233883), (143, 197901), (363, 77961), (429, 65967), (1089, 25987), (1287, 21989), (1573, 17991), (1999, 14157), (4719, 5997)]