1909130715

素因数分解:

$3^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2459}}^1$

素因数の和:2556

約数の個数: 64

約数和(自身を含む): 3485721600

約数和(自身を除く): 1576590885

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 243, 355, 405, 639, 729, 1065, 1215, 1917, 2187, 2459, 3195, 3645, 5751, 7377, 9585, 10935, 12295, 17253, 22131, 28755, 36885, 51759, 66393, 86265, 110655, 155277, 174589, 199179, 258795, 331965, 523767, 597537, 776385, 872945, 995895, 1571301, 1792611, 2618835, 2987685, 4713903, 5377833, 7856505, 8963055, 14141709, 23569515, 26889165, 42425127, 70708545, 127275381, 212125635, 381826143, 636376905, 1909130715]

約数ペア:

[(1, 1909130715), (3, 636376905), (5, 381826143), (9, 212125635), (15, 127275381), (27, 70708545), (45, 42425127), (71, 26889165), (81, 23569515), (135, 14141709), (213, 8963055), (243, 7856505), (355, 5377833), (405, 4713903), (639, 2987685), (729, 2618835), (1065, 1792611), (1215, 1571301), (1917, 995895), (2187, 872945), (2459, 776385), (3195, 597537), (3645, 523767), (5751, 331965), (7377, 258795), (9585, 199179), (10935, 174589), (12295, 155277), (17253, 110655), (22131, 86265), (28755, 66393), (36885, 51759)]