28750365

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{853}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 57552768

約数和(自身を除く): 28802403

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 107, 315, 321, 535, 749, 853, 963, 1605, 2247, 2559, 3745, 4265, 4815, 5971, 6741, 7677, 11235, 12795, 17913, 29855, 33705, 38385, 53739, 89565, 91271, 268695, 273813, 456355, 638897, 821439, 1369065, 1916691, 3194485, 4107195, 5750073, 9583455, 28750365]

約数ペア:

[(1, 28750365), (3, 9583455), (5, 5750073), (7, 4107195), (9, 3194485), (15, 1916691), (21, 1369065), (35, 821439), (45, 638897), (63, 456355), (105, 273813), (107, 268695), (315, 91271), (321, 89565), (535, 53739), (749, 38385), (853, 33705), (963, 29855), (1605, 17913), (2247, 12795), (2559, 11235), (3745, 7677), (4265, 6741), (4815, 5971)]