213524745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{65599}}^1$

素因数の和:65645

約数の個数: 32

約数和(自身を含む): 403046400

約数和(自身を除く): 189521655

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 65599, 196797, 327995, 459193, 983985, 1377579, 2033569, 2295965, 6100707, 6887895, 10167845, 14234983, 30503535, 42704949, 71174915, 213524745]

約数ペア:

[(1, 213524745), (3, 71174915), (5, 42704949), (7, 30503535), (15, 14234983), (21, 10167845), (31, 6887895), (35, 6100707), (93, 2295965), (105, 2033569), (155, 1377579), (217, 983985), (465, 459193), (651, 327995), (1085, 196797), (3255, 65599)]