28206255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{24421}}^1$

素因数の和:24447

約数の個数: 32

約数和(自身を含む): 56268288

約数和(自身を除く): 28062033

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 24421, 73263, 122105, 170947, 268631, 366315, 512841, 805893, 854735, 1343155, 1880417, 2564205, 4029465, 5641251, 9402085, 28206255]

約数ペア:

[(1, 28206255), (3, 9402085), (5, 5641251), (7, 4029465), (11, 2564205), (15, 1880417), (21, 1343155), (33, 854735), (35, 805893), (55, 512841), (77, 366315), (105, 268631), (165, 170947), (231, 122105), (385, 73263), (1155, 24421)]