81390786

素因数分解:

$2^1\times 3^1\times {\mathrm{457}}^1\times {\mathrm{29683}}^1$

素因数の和:30145

約数の個数: 16

約数和(自身を含む): 163143264

約数和(自身を除く): 81752478

約数列:

[1, 2, 3, 6, 457, 914, 1371, 2742, 29683, 59366, 89049, 178098, 13565131, 27130262, 40695393, 81390786]

約数ペア:

[(1, 81390786), (2, 40695393), (3, 27130262), (6, 13565131), (457, 178098), (914, 89049), (1371, 59366), (2742, 29683)]