2585205

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 5316480

約数和(自身を除く): 2731275

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 63, 87, 105, 145, 203, 261, 283, 315, 435, 609, 849, 1015, 1305, 1415, 1827, 1981, 2547, 3045, 4245, 5943, 8207, 9135, 9905, 12735, 17829, 24621, 29715, 41035, 57449, 73863, 89145, 123105, 172347, 287245, 369315, 517041, 861735, 2585205]

約数ペア:

[(1, 2585205), (3, 861735), (5, 517041), (7, 369315), (9, 287245), (15, 172347), (21, 123105), (29, 89145), (35, 73863), (45, 57449), (63, 41035), (87, 29715), (105, 24621), (145, 17829), (203, 12735), (261, 9905), (283, 9135), (315, 8207), (435, 5943), (609, 4245), (849, 3045), (1015, 2547), (1305, 1981), (1415, 1827)]