28689255

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{4337}}^1$

素因数の和:4365

約数の個数: 48

約数和(自身を含む): 59343840

約数和(自身を除く): 30654585

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 4337, 6615, 13011, 21685, 30359, 39033, 65055, 91077, 117099, 151795, 195165, 212513, 273231, 455385, 585495, 637539, 819693, 1062565, 1366155, 1912617, 3187695, 4098465, 5737851, 9563085, 28689255]

約数ペア:

[(1, 28689255), (3, 9563085), (5, 5737851), (7, 4098465), (9, 3187695), (15, 1912617), (21, 1366155), (27, 1062565), (35, 819693), (45, 637539), (49, 585495), (63, 455385), (105, 273231), (135, 212513), (147, 195165), (189, 151795), (245, 117099), (315, 91077), (441, 65055), (735, 39033), (945, 30359), (1323, 21685), (2205, 13011), (4337, 6615)]