1804005

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:127

約数の個数: 64

約数和(自身を含む): 3870720

約数和(自身を除く): 2066715

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 27, 35, 45, 63, 69, 83, 105, 115, 135, 161, 189, 207, 249, 315, 345, 415, 483, 581, 621, 747, 805, 945, 1035, 1245, 1449, 1743, 1909, 2241, 2415, 2905, 3105, 3735, 4347, 5229, 5727, 7245, 8715, 9545, 11205, 13363, 15687, 17181, 21735, 26145, 28635, 40089, 51543, 66815, 78435, 85905, 120267, 200445, 257715, 360801, 601335, 1804005]

約数ペア:

[(1, 1804005), (3, 601335), (5, 360801), (7, 257715), (9, 200445), (15, 120267), (21, 85905), (23, 78435), (27, 66815), (35, 51543), (45, 40089), (63, 28635), (69, 26145), (83, 21735), (105, 17181), (115, 15687), (135, 13363), (161, 11205), (189, 9545), (207, 8715), (249, 7245), (315, 5727), (345, 5229), (415, 4347), (483, 3735), (581, 3105), (621, 2905), (747, 2415), (805, 2241), (945, 1909), (1035, 1743), (1245, 1449)]