75728709

素因数分解:

$3^3\times 7^1\times {\mathrm{400681}}^1$

素因数の和:400697

約数の個数: 16

約数和(自身を含む): 128218240

約数和(自身を除く): 52489531

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 400681, 1202043, 2804767, 3606129, 8414301, 10818387, 25242903, 75728709]

約数ペア:

[(1, 75728709), (3, 25242903), (7, 10818387), (9, 8414301), (21, 3606129), (27, 2804767), (63, 1202043), (189, 400681)]