720755001

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{11243}}^1$

素因数の和:11685

約数の個数: 24

約数和(自身を含む): 1105060320

約数和(自身を除く): 384305319

約数列:

[1, 3, 9, 17, 51, 153, 419, 1257, 3771, 7123, 11243, 21369, 33729, 64107, 101187, 191131, 573393, 1720179, 4710817, 14132451, 42397353, 80083889, 240251667, 720755001]

約数ペア:

[(1, 720755001), (3, 240251667), (9, 80083889), (17, 42397353), (51, 14132451), (153, 4710817), (419, 1720179), (1257, 573393), (3771, 191131), (7123, 101187), (11243, 64107), (21369, 33729)]