28509789

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{123419}}^1$

素因数の和:123440

約数の個数: 16

約数和(自身を含む): 47393280

約数和(自身を除く): 18883491

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 123419, 370257, 863933, 1357609, 2591799, 4072827, 9503263, 28509789]

約数ペア:

[(1, 28509789), (3, 9503263), (7, 4072827), (11, 2591799), (21, 1357609), (33, 863933), (77, 370257), (231, 123419)]