28256655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8681}}^1$

素因数の和:8727

約数の個数: 32

約数和(自身を含む): 53342208

約数和(自身を除く): 25085553

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 8681, 26043, 43405, 60767, 130215, 182301, 269111, 303835, 807333, 911505, 1345555, 1883777, 4036665, 5651331, 9418885, 28256655]

約数ペア:

[(1, 28256655), (3, 9418885), (5, 5651331), (7, 4036665), (15, 1883777), (21, 1345555), (31, 911505), (35, 807333), (93, 303835), (105, 269111), (155, 182301), (217, 130215), (465, 60767), (651, 43405), (1085, 26043), (3255, 8681)]