20161728741

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{87280211}}^1$

素因数の和:87280232

約数の個数: 16

約数和(自身を含む): 33515601408

約数和(自身を除く): 13353872667

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 87280211, 261840633, 610961477, 960082321, 1832884431, 2880246963, 6720576247, 20161728741]

約数ペア:

[(1, 20161728741), (3, 6720576247), (7, 2880246963), (11, 1832884431), (21, 960082321), (33, 610961477), (77, 261840633), (231, 87280211)]