80721321

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{15671}}^1$

素因数の和:15792

約数の個数: 16

約数和(自身を含む): 115095168

約数和(自身を除く): 34373847

約数列:

[1, 3, 17, 51, 101, 303, 1717, 5151, 15671, 47013, 266407, 799221, 1582771, 4748313, 26907107, 80721321]

約数ペア:

[(1, 80721321), (3, 26907107), (17, 4748313), (51, 1582771), (101, 799221), (303, 266407), (1717, 47013), (5151, 15671)]