28540743

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{123553}}^1$

素因数の和:123574

約数の個数: 16

約数和(自身を含む): 47444736

約数和(自身を除く): 18903993

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 123553, 370659, 864871, 1359083, 2594613, 4077249, 9513581, 28540743]

約数ペア:

[(1, 28540743), (3, 9513581), (7, 4077249), (11, 2594613), (21, 1359083), (33, 864871), (77, 370659), (231, 123553)]