1223753721

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{2143}}^1\times {\mathrm{11197}}^1$

素因数の和:13360

約数の個数: 16

約数和(自身を含む): 1728612864

約数和(自身を除く): 504859143

約数列:

[1, 3, 17, 51, 2143, 6429, 11197, 33591, 36431, 109293, 190349, 571047, 23995171, 71985513, 407917907, 1223753721]

約数ペア:

[(1, 1223753721), (3, 407917907), (17, 71985513), (51, 23995171), (2143, 571047), (6429, 190349), (11197, 109293), (33591, 36431)]