128661657

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1\times {\mathrm{1579}}^1$

素因数の和:1912

約数の個数: 16

約数和(自身を含む): 173749440

約数和(自身を除く): 45087783

約数列:

[1, 3, 157, 173, 471, 519, 1579, 4737, 27161, 81483, 247903, 273167, 743709, 819501, 42887219, 128661657]

約数ペア:

[(1, 128661657), (3, 42887219), (157, 819501), (173, 743709), (471, 273167), (519, 247903), (1579, 81483), (4737, 27161)]