2987127

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:252

約数の個数: 36

約数和(自身を含む): 5131672

約数和(自身を除く): 2144545

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 121, 143, 211, 363, 429, 633, 1089, 1287, 1573, 1899, 2321, 2743, 4719, 6963, 8229, 14157, 20889, 24687, 25531, 30173, 76593, 90519, 229779, 271557, 331903, 995709, 2987127]

約数ペア:

[(1, 2987127), (3, 995709), (9, 331903), (11, 271557), (13, 229779), (33, 90519), (39, 76593), (99, 30173), (117, 25531), (121, 24687), (143, 20889), (211, 14157), (363, 8229), (429, 6963), (633, 4719), (1089, 2743), (1287, 2321), (1573, 1899)]