289450785

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{7691}}^1$

素因数の和:7905

約数の個数: 32

約数和(自身を含む): 501395328

約数和(自身を除く): 211944543

約数列:

[1, 3, 5, 13, 15, 39, 65, 193, 195, 579, 965, 2509, 2895, 7527, 7691, 12545, 23073, 37635, 38455, 99983, 115365, 299949, 499915, 1484363, 1499745, 4453089, 7421815, 19296719, 22265445, 57890157, 96483595, 289450785]

約数ペア:

[(1, 289450785), (3, 96483595), (5, 57890157), (13, 22265445), (15, 19296719), (39, 7421815), (65, 4453089), (193, 1499745), (195, 1484363), (579, 499915), (965, 299949), (2509, 115365), (2895, 99983), (7527, 38455), (7691, 37635), (12545, 23073)]