287091837

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4831}}^1$

素因数の和:4942

約数の個数: 32

約数和(自身を含む): 445317120

約数和(自身を除く): 158225283

約数列:

[1, 3, 9, 27, 31, 71, 93, 213, 279, 639, 837, 1917, 2201, 4831, 6603, 14493, 19809, 43479, 59427, 130437, 149761, 343001, 449283, 1029003, 1347849, 3087009, 4043547, 9261027, 10633031, 31899093, 95697279, 287091837]

約数ペア:

[(1, 287091837), (3, 95697279), (9, 31899093), (27, 10633031), (31, 9261027), (71, 4043547), (93, 3087009), (213, 1347849), (279, 1029003), (639, 449283), (837, 343001), (1917, 149761), (2201, 130437), (4831, 59427), (6603, 43479), (14493, 19809)]