2809611

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:320

約数の個数: 36

約数和(自身を含む): 4943952

約数和(自身を除く): 2134341

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 277, 441, 483, 831, 1127, 1449, 1939, 2493, 3381, 5817, 6371, 10143, 13573, 17451, 19113, 40719, 44597, 57339, 122157, 133791, 312179, 401373, 936537, 2809611]

約数ペア:

[(1, 2809611), (3, 936537), (7, 401373), (9, 312179), (21, 133791), (23, 122157), (49, 57339), (63, 44597), (69, 40719), (147, 19113), (161, 17451), (207, 13573), (277, 10143), (441, 6371), (483, 5817), (831, 3381), (1127, 2493), (1449, 1939)]