28382265

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 26049735

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 83, 85, 135, 149, 153, 249, 255, 415, 447, 459, 745, 747, 765, 1245, 1341, 1411, 2235, 2241, 2295, 2533, 3735, 4023, 4233, 6705, 7055, 7599, 11205, 12367, 12665, 12699, 20115, 21165, 22797, 37101, 37995, 38097, 61835, 63495, 68391, 111303, 113985, 185505, 190485, 210239, 333909, 341955, 556515, 630717, 1051195, 1669545, 1892151, 3153585, 5676453, 9460755, 28382265]

約数ペア:

[(1, 28382265), (3, 9460755), (5, 5676453), (9, 3153585), (15, 1892151), (17, 1669545), (27, 1051195), (45, 630717), (51, 556515), (83, 341955), (85, 333909), (135, 210239), (149, 190485), (153, 185505), (249, 113985), (255, 111303), (415, 68391), (447, 63495), (459, 61835), (745, 38097), (747, 37995), (765, 37101), (1245, 22797), (1341, 21165), (1411, 20115), (2235, 12699), (2241, 12665), (2295, 12367), (2533, 11205), (3735, 7599), (4023, 7055), (4233, 6705)]