28185927

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17431}}^1$

素因数の和:17459

約数の個数: 24

約数和(自身を含む): 47693952

約数和(自身を除く): 19508025

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 17431, 52293, 122017, 191741, 366051, 575223, 854119, 1342187, 2562357, 4026561, 9395309, 28185927]

約数ペア:

[(1, 28185927), (3, 9395309), (7, 4026561), (11, 2562357), (21, 1342187), (33, 854119), (49, 575223), (77, 366051), (147, 191741), (231, 122017), (539, 52293), (1617, 17431)]