28161945

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1753}}^1$

素因数の和:1791

約数の個数: 64

約数和(自身を含む): 60618240

約数和(自身を除く): 32456295

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 85, 105, 119, 135, 153, 189, 255, 315, 357, 459, 595, 765, 945, 1071, 1753, 1785, 2295, 3213, 5259, 5355, 8765, 12271, 15777, 16065, 26295, 29801, 36813, 47331, 61355, 78885, 89403, 110439, 149005, 184065, 208607, 236655, 268209, 331317, 447015, 552195, 625821, 804627, 1043035, 1341045, 1656585, 1877463, 3129105, 4023135, 5632389, 9387315, 28161945]

約数ペア:

[(1, 28161945), (3, 9387315), (5, 5632389), (7, 4023135), (9, 3129105), (15, 1877463), (17, 1656585), (21, 1341045), (27, 1043035), (35, 804627), (45, 625821), (51, 552195), (63, 447015), (85, 331317), (105, 268209), (119, 236655), (135, 208607), (153, 184065), (189, 149005), (255, 110439), (315, 89403), (357, 78885), (459, 61355), (595, 47331), (765, 36813), (945, 29801), (1071, 26295), (1753, 16065), (1785, 15777), (2295, 12271), (3213, 8765), (5259, 5355)]