28086123

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1307}}^1$

素因数の和:1371

約数の個数: 32

約数和(自身を含む): 43948800

約数和(自身を除く): 15862677

約数列:

[1, 3, 13, 19, 29, 39, 57, 87, 247, 377, 551, 741, 1131, 1307, 1653, 3921, 7163, 16991, 21489, 24833, 37903, 50973, 74499, 113709, 322829, 492739, 720157, 968487, 1478217, 2160471, 9362041, 28086123]

約数ペア:

[(1, 28086123), (3, 9362041), (13, 2160471), (19, 1478217), (29, 968487), (39, 720157), (57, 492739), (87, 322829), (247, 113709), (377, 74499), (551, 50973), (741, 37903), (1131, 24833), (1307, 21489), (1653, 16991), (3921, 7163)]